s/gpr_slice/grpc_slice, and move around tests, impls

133 files changed, 875 insertions, 821 deletions

diff --git a/test/core/bad_client/bad_client.c b/test/core/bad_client/bad_client.c
index a9638500b7..07fcd995d7 100644
--- a/test/core/bad_client/bad_client.c
+++ b/test/core/bad_client/bad_client.c
@@ -77,7 +77,7 @@ static void server_setup_transport(void *ts, grpc_transport *transport) {
 
 typedef struct {
   grpc_bad_client_client_stream_validator validator;
-  gpr_slice_buffer incoming;
+  grpc_slice_buffer incoming;
   gpr_event read_done;
 } read_args;
 
@@ -96,9 +96,9 @@ void grpc_run_bad_client_test(
   gpr_thd_id id;
   char *hex;
   grpc_transport *transport;
-  gpr_slice slice =
-      gpr_slice_from_copied_buffer(client_payload, client_payload_length);
-  gpr_slice_buffer outgoing;
+  grpc_slice slice =
+      grpc_slice_from_copied_buffer(client_payload, client_payload_length);
+  grpc_slice_buffer outgoing;
   grpc_closure done_write_closure;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
@@ -146,8 +146,8 @@ void grpc_run_bad_client_test(
   /* Start validator */
   gpr_thd_new(&id, thd_func, &a, NULL);
 
-  gpr_slice_buffer_init(&outgoing);
-  gpr_slice_buffer_add(&outgoing, slice);
+  grpc_slice_buffer_init(&outgoing);
+  grpc_slice_buffer_add(&outgoing, slice);
   grpc_closure_init(&done_write_closure, done_write, &a);
 
   /* Write data */
@@ -172,7 +172,7 @@ void grpc_run_bad_client_test(
     if (client_validator != NULL) {
       read_args args;
       args.validator = client_validator;
-      gpr_slice_buffer_init(&args.incoming);
+      grpc_slice_buffer_init(&args.incoming);
       gpr_event_init(&args.read_done);
       grpc_closure read_done_closure;
       grpc_closure_init(&read_done_closure, read_done, &args);
@@ -181,7 +181,7 @@ void grpc_run_bad_client_test(
       grpc_exec_ctx_finish(&exec_ctx);
       GPR_ASSERT(
           gpr_event_wait(&args.read_done, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5)));
-      gpr_slice_buffer_destroy(&args.incoming);
+      grpc_slice_buffer_destroy(&args.incoming);
     }
     // Shutdown.
     grpc_endpoint_shutdown(&exec_ctx, sfd.client);
@@ -194,7 +194,7 @@ void grpc_run_bad_client_test(
                  .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(a.server);
   grpc_completion_queue_destroy(a.cq);
-  gpr_slice_buffer_destroy(&outgoing);
+  grpc_slice_buffer_destroy(&outgoing);
 
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
diff --git a/test/core/bad_client/bad_client.h b/test/core/bad_client/bad_client.h
index c8b2a4122f..bbca418ef3 100644
--- a/test/core/bad_client/bad_client.h
+++ b/test/core/bad_client/bad_client.h
@@ -45,7 +45,7 @@ typedef void (*grpc_bad_client_server_side_validator)(grpc_server *server,
                                                       void *registered_method);
 
 typedef void (*grpc_bad_client_client_stream_validator)(
-    gpr_slice_buffer *incoming);
+    grpc_slice_buffer *incoming);
 
 #define GRPC_BAD_CLIENT_DISCONNECT 1
 
diff --git a/test/core/bad_client/tests/large_metadata.c b/test/core/bad_client/tests/large_metadata.c
index b9c8093ef9..124035c070 100644
--- a/test/core/bad_client/tests/large_metadata.c
+++ b/test/core/bad_client/tests/large_metadata.c
@@ -183,15 +183,15 @@ static void server_verifier_sends_too_much_metadata(grpc_server *server,
   cq_verifier_destroy(cqv);
 }
 
-static void client_validator(gpr_slice_buffer *incoming) {
+static void client_validator(grpc_slice_buffer *incoming) {
   // Get last frame from incoming slice buffer.
-  gpr_slice_buffer last_frame_buffer;
-  gpr_slice_buffer_init(&last_frame_buffer);
-  gpr_slice_buffer_trim_end(incoming, 13, &last_frame_buffer);
+  grpc_slice_buffer last_frame_buffer;
+  grpc_slice_buffer_init(&last_frame_buffer);
+  grpc_slice_buffer_trim_end(incoming, 13, &last_frame_buffer);
   GPR_ASSERT(last_frame_buffer.count == 1);
-  gpr_slice last_frame = last_frame_buffer.slices[0];
+  grpc_slice last_frame = last_frame_buffer.slices[0];
   // Construct expected frame.
-  gpr_slice expected = gpr_slice_malloc(13);
+  grpc_slice expected = grpc_slice_malloc(13);
   uint8_t *p = GPR_SLICE_START_PTR(expected);
   // Length.
   *p++ = 0;
@@ -212,8 +212,8 @@ static void client_validator(gpr_slice_buffer *incoming) {
   *p++ = 0;
   *p++ = 11;
   // Compare actual and expected.
-  GPR_ASSERT(gpr_slice_cmp(last_frame, expected) == 0);
-  gpr_slice_buffer_destroy(&last_frame_buffer);
+  GPR_ASSERT(grpc_slice_cmp(last_frame, expected) == 0);
+  grpc_slice_buffer_destroy(&last_frame_buffer);
 }
 
 int main(int argc, char **argv) {
diff --git a/test/core/bad_ssl/servers/cert.c b/test/core/bad_ssl/servers/cert.c
index 91dd9de81b..52922f5d6b 100644
--- a/test/core/bad_ssl/servers/cert.c
+++ b/test/core/bad_ssl/servers/cert.c
@@ -51,7 +51,7 @@ int main(int argc, char **argv) {
   grpc_ssl_pem_key_cert_pair pem_key_cert_pair;
   grpc_server_credentials *ssl_creds;
   grpc_server *server;
-  gpr_slice cert_slice, key_slice;
+  grpc_slice cert_slice, key_slice;
 
   grpc_init();
 
@@ -70,8 +70,8 @@ int main(int argc, char **argv) {
   GPR_ASSERT(grpc_server_add_secure_http2_port(server, addr, ssl_creds));
   grpc_server_credentials_release(ssl_creds);
 
-  gpr_slice_unref(cert_slice);
-  gpr_slice_unref(key_slice);
+  grpc_slice_unref(cert_slice);
+  grpc_slice_unref(key_slice);
 
   bad_ssl_run(server);
   grpc_shutdown();
diff --git a/test/core/client_channel/set_initial_connect_string_test.c b/test/core/client_channel/set_initial_connect_string_test.c
index b7bd67567c..350f2884d7 100644
--- a/test/core/client_channel/set_initial_connect_string_test.c
+++ b/test/core/client_channel/set_initial_connect_string_test.c
@@ -54,8 +54,8 @@ struct rpc_state {
   grpc_channel *channel;
   grpc_call *call;
   grpc_op op;
-  gpr_slice_buffer incoming_buffer;
-  gpr_slice_buffer temp_incoming_buffer;
+  grpc_slice_buffer incoming_buffer;
+  grpc_slice_buffer temp_incoming_buffer;
   grpc_endpoint *tcp;
   gpr_atm done_atm;
 };
@@ -67,7 +67,7 @@ static grpc_closure on_read;
 
 static void handle_read(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
   GPR_ASSERT(error == GRPC_ERROR_NONE);
-  gpr_slice_buffer_move_into(&state.temp_incoming_buffer,
+  grpc_slice_buffer_move_into(&state.temp_incoming_buffer,
                              &state.incoming_buffer);
   gpr_log(GPR_DEBUG, "got %" PRIuPTR " bytes, magic is %" PRIuPTR " bytes",
           state.incoming_buffer.length, strlen(magic_connect_string));
@@ -86,25 +86,25 @@ static void on_connect(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *tcp,
                        grpc_tcp_server_acceptor *acceptor) {
   test_tcp_server *server = arg;
   grpc_closure_init(&on_read, handle_read, NULL);
-  gpr_slice_buffer_init(&state.incoming_buffer);
-  gpr_slice_buffer_init(&state.temp_incoming_buffer);
+  grpc_slice_buffer_init(&state.incoming_buffer);
+  grpc_slice_buffer_init(&state.temp_incoming_buffer);
   state.tcp = tcp;
   grpc_endpoint_add_to_pollset(exec_ctx, tcp, server->pollset);
   grpc_endpoint_read(exec_ctx, tcp, &state.temp_incoming_buffer, &on_read);
 }
 
 static void set_magic_initial_string(struct sockaddr **addr, size_t *addr_len,
-                                     gpr_slice *connect_string) {
+                                     grpc_slice *connect_string) {
   GPR_ASSERT(addr);
   GPR_ASSERT(addr_len);
-  *connect_string = gpr_slice_from_copied_string(magic_connect_string);
+  *connect_string = grpc_slice_from_copied_string(magic_connect_string);
 }
 
 static void reset_addr_and_set_magic_string(struct sockaddr **addr,
                                             size_t *addr_len,
-                                            gpr_slice *connect_string) {
+                                            grpc_slice *connect_string) {
   struct sockaddr_in target;
-  *connect_string = gpr_slice_from_copied_string(magic_connect_string);
+  *connect_string = grpc_slice_from_copied_string(magic_connect_string);
   gpr_free(*addr);
   target.sin_family = AF_INET;
   target.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
@@ -148,8 +148,8 @@ static void start_rpc(int use_creds, int target_port) {
 
 static void cleanup_rpc(void) {
   grpc_event ev;
-  gpr_slice_buffer_destroy(&state.incoming_buffer);
-  gpr_slice_buffer_destroy(&state.temp_incoming_buffer);
+  grpc_slice_buffer_destroy(&state.incoming_buffer);
+  grpc_slice_buffer_destroy(&state.temp_incoming_buffer);
   grpc_channel_credentials_unref(state.creds);
   grpc_call_destroy(state.call);
   grpc_completion_queue_shutdown(state.cq);
@@ -194,7 +194,7 @@ static void poll_server_until_read_done(test_tcp_server *server,
   gpr_thd_new(&id, actually_poll_server, pa, NULL);
 }
 
-static void match_initial_magic_string(gpr_slice_buffer *buffer) {
+static void match_initial_magic_string(grpc_slice_buffer *buffer) {
   size_t i, j, cmp_length;
   size_t magic_length = strlen(magic_connect_string);
   GPR_ASSERT(buffer->length >= magic_length);
diff --git a/test/core/compression/message_compress_test.c b/test/core/compression/message_compress_test.c
index 47ecf72e08..c6963df85d 100644
--- a/test/core/compression/message_compress_test.c
+++ b/test/core/compression/message_compress_test.c
@@ -52,16 +52,16 @@ typedef enum {
   MAYBE_COMPRESSES
 } compressability;
 
-static void assert_passthrough(gpr_slice value,
+static void assert_passthrough(grpc_slice value,
                                grpc_compression_algorithm algorithm,
                                grpc_slice_split_mode uncompressed_split_mode,
                                grpc_slice_split_mode compressed_split_mode,
                                compressability compress_result_check) {
-  gpr_slice_buffer input;
-  gpr_slice_buffer compressed_raw;
-  gpr_slice_buffer compressed;
-  gpr_slice_buffer output;
-  gpr_slice final;
+  grpc_slice_buffer input;
+  grpc_slice_buffer compressed_raw;
+  grpc_slice_buffer compressed;
+  grpc_slice_buffer output;
+  grpc_slice final;
   int was_compressed;
   char *algorithm_name;
 
@@ -75,10 +75,10 @@ static void assert_passthrough(gpr_slice value,
       algorithm_name, grpc_slice_split_mode_name(uncompressed_split_mode),
       grpc_slice_split_mode_name(compressed_split_mode));
 
-  gpr_slice_buffer_init(&input);
-  gpr_slice_buffer_init(&compressed_raw);
-  gpr_slice_buffer_init(&compressed);
-  gpr_slice_buffer_init(&output);
+  grpc_slice_buffer_init(&input);
+  grpc_slice_buffer_init(&compressed_raw);
+  grpc_slice_buffer_init(&compressed);
+  grpc_slice_buffer_init(&output);
 
   grpc_split_slices_to_buffer(uncompressed_split_mode, &value, 1, &input);
 
@@ -103,17 +103,17 @@ static void assert_passthrough(gpr_slice value,
       was_compressed ? algorithm : GRPC_COMPRESS_NONE, &compressed, &output));
 
   final = grpc_slice_merge(output.slices, output.count);
-  GPR_ASSERT(0 == gpr_slice_cmp(value, final));
+  GPR_ASSERT(0 == grpc_slice_cmp(value, final));
 
-  gpr_slice_buffer_destroy(&input);
-  gpr_slice_buffer_destroy(&compressed);
-  gpr_slice_buffer_destroy(&compressed_raw);
-  gpr_slice_buffer_destroy(&output);
-  gpr_slice_unref(final);
+  grpc_slice_buffer_destroy(&input);
+  grpc_slice_buffer_destroy(&compressed);
+  grpc_slice_buffer_destroy(&compressed_raw);
+  grpc_slice_buffer_destroy(&output);
+  grpc_slice_unref(final);
 }
 
-static gpr_slice repeated(char c, size_t length) {
-  gpr_slice out = gpr_slice_malloc(length);
+static grpc_slice repeated(char c, size_t length) {
+  grpc_slice out = grpc_slice_malloc(length);
   memset(GPR_SLICE_START_PTR(out), c, length);
   return out;
 }
@@ -134,10 +134,10 @@ static compressability get_compressability(
   return MAYBE_COMPRESSES;
 }
 
-static gpr_slice create_test_value(test_value id) {
+static grpc_slice create_test_value(test_value id) {
   switch (id) {
     case ONE_A:
-      return gpr_slice_from_copied_string("a");
+      return grpc_slice_from_copied_string("a");
     case ONE_KB_A:
       return repeated('a', 1024);
     case ONE_MB_A:
@@ -146,17 +146,17 @@ static gpr_slice create_test_value(test_value id) {
       abort();
       break;
   }
-  return gpr_slice_from_copied_string("bad value");
+  return grpc_slice_from_copied_string("bad value");
 }
 
 static void test_tiny_data_compress(void) {
-  gpr_slice_buffer input;
-  gpr_slice_buffer output;
+  grpc_slice_buffer input;
+  grpc_slice_buffer output;
   grpc_compression_algorithm i;
 
-  gpr_slice_buffer_init(&input);
-  gpr_slice_buffer_init(&output);
-  gpr_slice_buffer_add(&input, create_test_value(ONE_A));
+  grpc_slice_buffer_init(&input);
+  grpc_slice_buffer_init(&output);
+  grpc_slice_buffer_add(&input, create_test_value(ONE_A));
 
   for (i = 0; i < GRPC_COMPRESS_ALGORITHMS_COUNT; i++) {
     if (i == GRPC_COMPRESS_NONE) continue;
@@ -164,21 +164,21 @@ static void test_tiny_data_compress(void) {
     GPR_ASSERT(1 == output.count);
   }
 
-  gpr_slice_buffer_destroy(&input);
-  gpr_slice_buffer_destroy(&output);
+  grpc_slice_buffer_destroy(&input);
+  grpc_slice_buffer_destroy(&output);
 }
 
 static void test_bad_decompression_data_crc(void) {
-  gpr_slice_buffer input;
-  gpr_slice_buffer corrupted;
-  gpr_slice_buffer output;
+  grpc_slice_buffer input;
+  grpc_slice_buffer corrupted;
+  grpc_slice_buffer output;
   size_t idx;
   const uint32_t bad = 0xdeadbeef;
 
-  gpr_slice_buffer_init(&input);
-  gpr_slice_buffer_init(&corrupted);
-  gpr_slice_buffer_init(&output);
-  gpr_slice_buffer_add(&input, create_test_value(ONE_MB_A));
+  grpc_slice_buffer_init(&input);
+  grpc_slice_buffer_init(&corrupted);
+  grpc_slice_buffer_init(&output);
+  grpc_slice_buffer_add(&input, create_test_value(ONE_MB_A));
 
   /* compress it */
   grpc_msg_compress(GRPC_COMPRESS_GZIP, &input, &corrupted);
@@ -191,54 +191,54 @@ static void test_bad_decompression_data_crc(void) {
   /* try (and fail) to decompress the corrupted compresed buffer */
   GPR_ASSERT(0 == grpc_msg_decompress(GRPC_COMPRESS_GZIP, &corrupted, &output));
 
-  gpr_slice_buffer_destroy(&input);
-  gpr_slice_buffer_destroy(&corrupted);
-  gpr_slice_buffer_destroy(&output);
+  grpc_slice_buffer_destroy(&input);
+  grpc_slice_buffer_destroy(&corrupted);
+  grpc_slice_buffer_destroy(&output);
 }
 
 static void test_bad_decompression_data_trailing_garbage(void) {
-  gpr_slice_buffer input;
-  gpr_slice_buffer output;
+  grpc_slice_buffer input;
+  grpc_slice_buffer output;
 
-  gpr_slice_buffer_init(&input);
-  gpr_slice_buffer_init(&output);
+  grpc_slice_buffer_init(&input);
+  grpc_slice_buffer_init(&output);
   /* append 0x99 to the end of an otherwise valid stream */
-  gpr_slice_buffer_add(
-      &input, gpr_slice_from_copied_buffer(
+  grpc_slice_buffer_add(
+      &input, grpc_slice_from_copied_buffer(
                   "\x78\xda\x63\x60\x60\x60\x00\x00\x00\x04\x00\x01\x99", 13));
 
   /* try (and fail) to decompress the invalid compresed buffer */
   GPR_ASSERT(0 == grpc_msg_decompress(GRPC_COMPRESS_DEFLATE, &input, &output));
 
-  gpr_slice_buffer_destroy(&input);
-  gpr_slice_buffer_destroy(&output);
+  grpc_slice_buffer_destroy(&input);
+  grpc_slice_buffer_destroy(&output);
 }
 
 static void test_bad_decompression_data_stream(void) {
-  gpr_slice_buffer input;
-  gpr_slice_buffer output;
+  grpc_slice_buffer input;
+  grpc_slice_buffer output;
 
-  gpr_slice_buffer_init(&input);
-  gpr_slice_buffer_init(&output);
-  gpr_slice_buffer_add(&input,
-                       gpr_slice_from_copied_buffer("\x78\xda\xff\xff", 4));
+  grpc_slice_buffer_init(&input);
+  grpc_slice_buffer_init(&output);
+  grpc_slice_buffer_add(&input,
+                       grpc_slice_from_copied_buffer("\x78\xda\xff\xff", 4));
 
   /* try (and fail) to decompress the invalid compresed buffer */
   GPR_ASSERT(0 == grpc_msg_decompress(GRPC_COMPRESS_DEFLATE, &input, &output));
 
-  gpr_slice_buffer_destroy(&input);
-  gpr_slice_buffer_destroy(&output);
+  grpc_slice_buffer_destroy(&input);
+  grpc_slice_buffer_destroy(&output);
 }
 
 static void test_bad_compression_algorithm(void) {
-  gpr_slice_buffer input;
-  gpr_slice_buffer output;
+  grpc_slice_buffer input;
+  grpc_slice_buffer output;
   int was_compressed;
 
-  gpr_slice_buffer_init(&input);
-  gpr_slice_buffer_init(&output);
-  gpr_slice_buffer_add(&input,
-                       gpr_slice_from_copied_string("Never gonna give you up"));
+  grpc_slice_buffer_init(&input);
+  grpc_slice_buffer_init(&output);
+  grpc_slice_buffer_add(&input,
+                       grpc_slice_from_copied_string("Never gonna give you up"));
   was_compressed =
       grpc_msg_compress(GRPC_COMPRESS_ALGORITHMS_COUNT, &input, &output);
   GPR_ASSERT(0 == was_compressed);
@@ -247,19 +247,19 @@ static void test_bad_compression_algorithm(void) {
       grpc_msg_compress(GRPC_COMPRESS_ALGORITHMS_COUNT + 123, &input, &output);
   GPR_ASSERT(0 == was_compressed);
 
-  gpr_slice_buffer_destroy(&input);
-  gpr_slice_buffer_destroy(&output);
+  grpc_slice_buffer_destroy(&input);
+  grpc_slice_buffer_destroy(&output);
 }
 
 static void test_bad_decompression_algorithm(void) {
-  gpr_slice_buffer input;
-  gpr_slice_buffer output;
+  grpc_slice_buffer input;
+  grpc_slice_buffer output;
   int was_decompressed;
 
-  gpr_slice_buffer_init(&input);
-  gpr_slice_buffer_init(&output);
-  gpr_slice_buffer_add(&input,
-                       gpr_slice_from_copied_string(
+  grpc_slice_buffer_init(&input);
+  grpc_slice_buffer_init(&output);
+  grpc_slice_buffer_add(&input,
+                       grpc_slice_from_copied_string(
                            "I'm not really compressed but it doesn't matter"));
   was_decompressed =
       grpc_msg_decompress(GRPC_COMPRESS_ALGORITHMS_COUNT, &input, &output);
@@ -269,8 +269,8 @@ static void test_bad_decompression_algorithm(void) {
                                          &input, &output);
   GPR_ASSERT(0 == was_decompressed);
 
-  gpr_slice_buffer_destroy(&input);
-  gpr_slice_buffer_destroy(&output);
+  grpc_slice_buffer_destroy(&input);
+  grpc_slice_buffer_destroy(&output);
 }
 
 int main(int argc, char **argv) {
@@ -288,9 +288,9 @@ int main(int argc, char **argv) {
     for (j = 0; j < GPR_ARRAY_SIZE(uncompressed_split_modes); j++) {
       for (k = 0; k < GPR_ARRAY_SIZE(compressed_split_modes); k++) {
         for (m = 0; m < TEST_VALUE_COUNT; m++) {
-          gpr_slice slice = create_test_value(m);
+          grpc_slice slice = create_test_value(m);
           assert_passthrough(slice, i, j, k, get_compressability(m, i));
-          gpr_slice_unref(slice);
+          grpc_slice_unref(slice);
         }
       }
     }
diff --git a/test/core/end2end/bad_server_response_test.c b/test/core/end2end/bad_server_response_test.c
index 5ed0eb64d2..cb2030a7d7 100644
--- a/test/core/end2end/bad_server_response_test.c
+++ b/test/core/end2end/bad_server_response_test.c
@@ -82,8 +82,8 @@ struct rpc_state {
   grpc_channel *channel;
   grpc_call *call;
   size_t incoming_data_length;
-  gpr_slice_buffer temp_incoming_buffer;
-  gpr_slice_buffer outgoing_buffer;
+  grpc_slice_buffer temp_incoming_buffer;
+  grpc_slice_buffer outgoing_buffer;
   grpc_endpoint *tcp;
   gpr_atm done_atm;
   bool write_done;
@@ -105,11 +105,11 @@ static void done_write(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
 }
 
 static void handle_write(grpc_exec_ctx *exec_ctx) {
-  gpr_slice slice = gpr_slice_from_copied_buffer(state.response_payload,
+  grpc_slice slice = grpc_slice_from_copied_buffer(state.response_payload,
                                                  state.response_payload_length);
 
-  gpr_slice_buffer_reset_and_unref(&state.outgoing_buffer);
-  gpr_slice_buffer_add(&state.outgoing_buffer, slice);
+  grpc_slice_buffer_reset_and_unref(&state.outgoing_buffer);
+  grpc_slice_buffer_add(&state.outgoing_buffer, slice);
   grpc_endpoint_write(exec_ctx, state.tcp, &state.outgoing_buffer, &on_write);
 }
 
@@ -141,8 +141,8 @@ static void on_connect(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *tcp,
   test_tcp_server *server = arg;
   grpc_closure_init(&on_read, handle_read, NULL);
   grpc_closure_init(&on_write, done_write, NULL);
-  gpr_slice_buffer_init(&state.temp_incoming_buffer);
-  gpr_slice_buffer_init(&state.outgoing_buffer);
+  grpc_slice_buffer_init(&state.temp_incoming_buffer);
+  grpc_slice_buffer_init(&state.outgoing_buffer);
   state.tcp = tcp;
   state.incoming_data_length = 0;
   grpc_endpoint_add_to_pollset(exec_ctx, tcp, server->pollset);
@@ -221,8 +221,8 @@ static void start_rpc(int target_port, grpc_status_code expected_status,
 
 static void cleanup_rpc(void) {
   grpc_event ev;
-  gpr_slice_buffer_destroy(&state.temp_incoming_buffer);
-  gpr_slice_buffer_destroy(&state.outgoing_buffer);
+  grpc_slice_buffer_destroy(&state.temp_incoming_buffer);
+  grpc_slice_buffer_destroy(&state.outgoing_buffer);
   grpc_call_destroy(state.call);
   grpc_completion_queue_shutdown(state.cq);
   do {
diff --git a/test/core/end2end/cq_verifier.c b/test/core/end2end/cq_verifier.c
index 3e7e3f22a2..3b9aa24368 100644
--- a/test/core/end2end/cq_verifier.c
+++ b/test/core/end2end/cq_verifier.c
@@ -105,17 +105,17 @@ int contains_metadata(grpc_metadata_array *array, const char *key,
   return has_metadata(array->metadata, array->count, key, value);
 }
 
-static gpr_slice merge_slices(gpr_slice *slices, size_t nslices) {
+static grpc_slice merge_slices(grpc_slice *slices, size_t nslices) {
   size_t i;
   size_t len = 0;
   uint8_t *cursor;
-  gpr_slice out;
+  grpc_slice out;
 
   for (i = 0; i < nslices; i++) {
     len += GPR_SLICE_LENGTH(slices[i]);
   }
 
-  out = gpr_slice_malloc(len);
+  out = grpc_slice_malloc(len);
   cursor = GPR_SLICE_START_PTR(out);
 
   for (i = 0; i < nslices; i++) {
@@ -126,8 +126,8 @@ static gpr_slice merge_slices(gpr_slice *slices, size_t nslices) {
   return out;
 }
 
-int raw_byte_buffer_eq_slice(grpc_byte_buffer *rbb, gpr_slice b) {
-  gpr_slice a;
+int raw_byte_buffer_eq_slice(grpc_byte_buffer *rbb, grpc_slice b) {
+  grpc_slice a;
   int ok;
 
   if (!rbb) return 0;
@@ -137,12 +137,12 @@ int raw_byte_buffer_eq_slice(grpc_byte_buffer *rbb, gpr_slice b) {
   ok = GPR_SLICE_LENGTH(a) == GPR_SLICE_LENGTH(b) &&
        0 == memcmp(GPR_SLICE_START_PTR(a), GPR_SLICE_START_PTR(b),
                    GPR_SLICE_LENGTH(a));
-  gpr_slice_unref(a);
-  gpr_slice_unref(b);
+  grpc_slice_unref(a);
+  grpc_slice_unref(b);
   return ok;
 }
 
-int byte_buffer_eq_slice(grpc_byte_buffer *bb, gpr_slice b) {
+int byte_buffer_eq_slice(grpc_byte_buffer *bb, grpc_slice b) {
   grpc_byte_buffer_reader reader;
   grpc_byte_buffer *rbb;
   int res;
@@ -165,7 +165,7 @@ int byte_buffer_eq_string(grpc_byte_buffer *bb, const char *str) {
   GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, bb) &&
              "Couldn't init byte buffer reader");
   rbb = grpc_raw_byte_buffer_from_reader(&reader);
-  res = raw_byte_buffer_eq_slice(rbb, gpr_slice_from_copied_string(str));
+  res = raw_byte_buffer_eq_slice(rbb, grpc_slice_from_copied_string(str));
   grpc_byte_buffer_reader_destroy(&reader);
   grpc_byte_buffer_destroy(rbb);
 
diff --git a/test/core/end2end/cq_verifier.h b/test/core/end2end/cq_verifier.h
index 47464fa319..b754de9bbe 100644
--- a/test/core/end2end/cq_verifier.h
+++ b/test/core/end2end/cq_verifier.h
@@ -67,7 +67,7 @@ void cq_expect_completion(cq_verifier *v, const char *file, int line, void *tag,
 #define CQ_EXPECT_COMPLETION(v, tag, success) \
   cq_expect_completion(v, __FILE__, __LINE__, tag, success)
 
-int byte_buffer_eq_slice(grpc_byte_buffer *bb, gpr_slice b);
+int byte_buffer_eq_slice(grpc_byte_buffer *bb, grpc_slice b);
 int byte_buffer_eq_string(grpc_byte_buffer *byte_buffer, const char *string);
 int contains_metadata(grpc_metadata_array *array, const char *key,
                       const char *value);
diff --git a/test/core/end2end/dualstack_socket_test.c b/test/core/end2end/dualstack_socket_test.c
index cb07ca535b..5860257607 100644
--- a/test/core/end2end/dualstack_socket_test.c
+++ b/test/core/end2end/dualstack_socket_test.c
@@ -120,14 +120,14 @@ void test_connect(const char *server_host, const char *client_host, int port,
   if (client_host[0] == 'i') {
     /* for ipv4:/ipv6: addresses, concatenate the port to each of the parts */
     size_t i;
-    gpr_slice uri_slice;
-    gpr_slice_buffer uri_parts;
+    grpc_slice uri_slice;
+    grpc_slice_buffer uri_parts;
     char **hosts_with_port;
 
     uri_slice =
-        gpr_slice_new((char *)client_host, strlen(client_host), do_nothing);
-    gpr_slice_buffer_init(&uri_parts);
-    gpr_slice_split(uri_slice, ",", &uri_parts);
+        grpc_slice_new((char *)client_host, strlen(client_host), do_nothing);
+    grpc_slice_buffer_init(&uri_parts);
+    grpc_slice_split(uri_slice, ",", &uri_parts);
     hosts_with_port = gpr_malloc(sizeof(char *) * uri_parts.count);
     for (i = 0; i < uri_parts.count; i++) {
       char *uri_part_str = gpr_dump_slice(uri_parts.slices[i], GPR_DUMP_ASCII);
@@ -140,8 +140,8 @@ void test_connect(const char *server_host, const char *client_host, int port,
       gpr_free(hosts_with_port[i]);
     }
     gpr_free(hosts_with_port);
-    gpr_slice_buffer_destroy(&uri_parts);
-    gpr_slice_unref(uri_slice);
+    grpc_slice_buffer_destroy(&uri_parts);
+    grpc_slice_unref(uri_slice);
   } else {
     gpr_join_host_port(&client_hostport, client_host, port);
   }
diff --git a/test/core/end2end/fake_resolver.c b/test/core/end2end/fake_resolver.c
index 5669ce51e8..4687e52313 100644
--- a/test/core/end2end/fake_resolver.c
+++ b/test/core/end2end/fake_resolver.c
@@ -163,11 +163,11 @@ static grpc_resolver* fake_resolver_create(grpc_resolver_factory* factory,
   const bool lb_enabled =
       lb_enabled_qpart != NULL && strcmp("0", lb_enabled_qpart) != 0;
   // Construct addresses.
-  gpr_slice path_slice =
-      gpr_slice_new(args->uri->path, strlen(args->uri->path), do_nothing);
-  gpr_slice_buffer path_parts;
-  gpr_slice_buffer_init(&path_parts);
-  gpr_slice_split(path_slice, ",", &path_parts);
+  grpc_slice path_slice =
+      grpc_slice_new(args->uri->path, strlen(args->uri->path), do_nothing);
+  grpc_slice_buffer path_parts;
+  grpc_slice_buffer_init(&path_parts);
+  grpc_slice_split(path_slice, ",", &path_parts);
   grpc_lb_addresses* addresses = grpc_lb_addresses_create(path_parts.count);
   bool errors_found = false;
   for (size_t i = 0; i < addresses->num_addresses; i++) {
@@ -184,8 +184,8 @@ static grpc_resolver* fake_resolver_create(grpc_resolver_factory* factory,
     addresses->addresses[i].is_balancer = lb_enabled;
     if (errors_found) break;
   }
-  gpr_slice_buffer_destroy(&path_parts);
-  gpr_slice_unref(path_slice);
+  grpc_slice_buffer_destroy(&path_parts);
+  grpc_slice_unref(path_slice);
   if (errors_found) {
     grpc_lb_addresses_destroy(addresses, NULL /* user_data_destroy */);
     return NULL;
diff --git a/test/core/end2end/fixtures/http_proxy.c b/test/core/end2end/fixtures/http_proxy.c
index bc24cb33cf..88c77a5168 100644
--- a/test/core/end2end/fixtures/http_proxy.c
+++ b/test/core/end2end/fixtures/http_proxy.c
@@ -89,12 +89,12 @@ typedef struct proxy_connection {
   grpc_closure on_server_read_done;
   grpc_closure on_server_write_done;
 
-  gpr_slice_buffer client_read_buffer;
-  gpr_slice_buffer client_deferred_write_buffer;
-  gpr_slice_buffer client_write_buffer;
-  gpr_slice_buffer server_read_buffer;
-  gpr_slice_buffer server_deferred_write_buffer;
-  gpr_slice_buffer server_write_buffer;
+  grpc_slice_buffer client_read_buffer;
+  grpc_slice_buffer client_deferred_write_buffer;
+  grpc_slice_buffer client_write_buffer;
+  grpc_slice_buffer server_read_buffer;
+  grpc_slice_buffer server_deferred_write_buffer;
+  grpc_slice_buffer server_write_buffer;
 
   grpc_http_parser http_parser;
   grpc_http_request http_request;
@@ -108,12 +108,12 @@ static void proxy_connection_unref(grpc_exec_ctx* exec_ctx,
     if (conn->server_endpoint != NULL)
       grpc_endpoint_destroy(exec_ctx, conn->server_endpoint);
     grpc_pollset_set_destroy(conn->pollset_set);
-    gpr_slice_buffer_destroy(&conn->client_read_buffer);
-    gpr_slice_buffer_destroy(&conn->client_deferred_write_buffer);
-    gpr_slice_buffer_destroy(&conn->client_write_buffer);
-    gpr_slice_buffer_destroy(&conn->server_read_buffer);
-    gpr_slice_buffer_destroy(&conn->server_deferred_write_buffer);
-    gpr_slice_buffer_destroy(&conn->server_write_buffer);
+    grpc_slice_buffer_destroy(&conn->client_read_buffer);
+    grpc_slice_buffer_destroy(&conn->client_deferred_write_buffer);
+    grpc_slice_buffer_destroy(&conn->client_write_buffer);
+    grpc_slice_buffer_destroy(&conn->server_read_buffer);
+    grpc_slice_buffer_destroy(&conn->server_deferred_write_buffer);
+    grpc_slice_buffer_destroy(&conn->server_write_buffer);
     grpc_http_parser_destroy(&conn->http_parser);
     grpc_http_request_destroy(&conn->http_request);
     gpr_free(conn);
@@ -144,11 +144,11 @@ static void on_client_write_done(grpc_exec_ctx* exec_ctx, void* arg,
     return;
   }
   // Clear write buffer (the data we just wrote).
-  gpr_slice_buffer_reset_and_unref(&conn->client_write_buffer);
+  grpc_slice_buffer_reset_and_unref(&conn->client_write_buffer);
   // If more data was read from the server since we started this write,
   // write that data now.
   if (conn->client_deferred_write_buffer.length > 0) {
-    gpr_slice_buffer_move_into(&conn->client_deferred_write_buffer,
+    grpc_slice_buffer_move_into(&conn->client_deferred_write_buffer,
                                &conn->client_write_buffer);
     grpc_endpoint_write(exec_ctx, conn->client_endpoint,
                         &conn->client_write_buffer,
@@ -169,11 +169,11 @@ static void on_server_write_done(grpc_exec_ctx* exec_ctx, void* arg,
     return;
   }
   // Clear write buffer (the data we just wrote).
-  gpr_slice_buffer_reset_and_unref(&conn->server_write_buffer);
+  grpc_slice_buffer_reset_and_unref(&conn->server_write_buffer);
   // If more data was read from the client since we started this write,
   // write that data now.
   if (conn->server_deferred_write_buffer.length > 0) {
-    gpr_slice_buffer_move_into(&conn->server_deferred_write_buffer,
+    grpc_slice_buffer_move_into(&conn->server_deferred_write_buffer,
                                &conn->server_write_buffer);
     grpc_endpoint_write(exec_ctx, conn->server_endpoint,
                         &conn->server_write_buffer,
@@ -201,10 +201,10 @@ static void on_client_read_done(grpc_exec_ctx* exec_ctx, void* arg,
   //
   // Otherwise, move the read data into the write buffer and write it.
   if (conn->server_write_buffer.length > 0) {
-    gpr_slice_buffer_move_into(&conn->client_read_buffer,
+    grpc_slice_buffer_move_into(&conn->client_read_buffer,
                                &conn->server_deferred_write_buffer);
   } else {
-    gpr_slice_buffer_move_into(&conn->client_read_buffer,
+    grpc_slice_buffer_move_into(&conn->client_read_buffer,
                                &conn->server_write_buffer);
     gpr_ref(&conn->refcount);
     grpc_endpoint_write(exec_ctx, conn->server_endpoint,
@@ -233,10 +233,10 @@ static void on_server_read_done(grpc_exec_ctx* exec_ctx, void* arg,
   //
   // Otherwise, move the read data into the write buffer and write it.
   if (conn->client_write_buffer.length > 0) {
-    gpr_slice_buffer_move_into(&conn->server_read_buffer,
+    grpc_slice_buffer_move_into(&conn->server_read_buffer,
                                &conn->client_deferred_write_buffer);
   } else {
-    gpr_slice_buffer_move_into(&conn->server_read_buffer,
+    grpc_slice_buffer_move_into(&conn->server_read_buffer,
                                &conn->client_write_buffer);
     gpr_ref(&conn->refcount);
     grpc_endpoint_write(exec_ctx, conn->client_endpoint,
@@ -258,7 +258,7 @@ static void on_write_response_done(grpc_exec_ctx* exec_ctx, void* arg,
     return;
   }
   // Clear write buffer.
-  gpr_slice_buffer_reset_and_unref(&conn->client_write_buffer);
+  grpc_slice_buffer_reset_and_unref(&conn->client_write_buffer);
   // Start reading from both client and server.  One of the read
   // requests inherits our ref to conn, but we need to take a new ref
   // for the other one.
@@ -287,9 +287,9 @@ static void on_server_connect_done(grpc_exec_ctx* exec_ctx, void* arg,
   // We've established a connection, so send back a 200 response code to
   // the client.
   // The write callback inherits our reference to conn.
-  gpr_slice slice =
-      gpr_slice_from_copied_string("HTTP/1.0 200 connected\r\n\r\n");
-  gpr_slice_buffer_add(&conn->client_write_buffer, slice);
+  grpc_slice slice =
+      grpc_slice_from_copied_string("HTTP/1.0 200 connected\r\n\r\n");
+  grpc_slice_buffer_add(&conn->client_write_buffer, slice);
   grpc_endpoint_write(exec_ctx, conn->client_endpoint,
                       &conn->client_write_buffer,
                       &conn->on_write_response_done);
@@ -322,7 +322,7 @@ static void on_read_request_done(grpc_exec_ctx* exec_ctx, void* arg,
       }
     }
   }
-  gpr_slice_buffer_reset_and_unref(&conn->client_read_buffer);
+  grpc_slice_buffer_reset_and_unref(&conn->client_read_buffer);
   // If we're not done reading the request, read more data.
   if (conn->http_parser.state != GRPC_HTTP_BODY) {
     grpc_endpoint_read(exec_ctx, conn->client_endpoint,
@@ -383,12 +383,12 @@ static void on_accept(grpc_exec_ctx* exec_ctx, void* arg,
   grpc_closure_init(&conn->on_client_write_done, on_client_write_done, conn);
   grpc_closure_init(&conn->on_server_read_done, on_server_read_done, conn);
   grpc_closure_init(&conn->on_server_write_done, on_server_write_done, conn);
-  gpr_slice_buffer_init(&conn->client_read_buffer);
-  gpr_slice_buffer_init(&conn->client_deferred_write_buffer);
-  gpr_slice_buffer_init(&conn->client_write_buffer);
-  gpr_slice_buffer_init(&conn->server_read_buffer);
-  gpr_slice_buffer_init(&conn->server_deferred_write_buffer);
-  gpr_slice_buffer_init(&conn->server_write_buffer);
+  grpc_slice_buffer_init(&conn->client_read_buffer);
+  grpc_slice_buffer_init(&conn->client_deferred_write_buffer);
+  grpc_slice_buffer_init(&conn->client_write_buffer);
+  grpc_slice_buffer_init(&conn->server_read_buffer);
+  grpc_slice_buffer_init(&conn->server_deferred_write_buffer);
+  grpc_slice_buffer_init(&conn->server_write_buffer);
   grpc_http_parser_init(&conn->http_parser, GRPC_HTTP_REQUEST,
                         &conn->http_request);
   grpc_endpoint_read(exec_ctx, conn->client_endpoint, &conn->client_read_buffer,
diff --git a/test/core/end2end/fuzzers/api_fuzzer.c b/test/core/end2end/fuzzers/api_fuzzer.c
index 945cc960e9..210a863f48 100644
--- a/test/core/end2end/fuzzers/api_fuzzer.c
+++ b/test/core/end2end/fuzzers/api_fuzzer.c
@@ -137,10 +137,10 @@ static uint32_t read_uint32(input_stream *inp) {
 }
 
 static grpc_byte_buffer *read_message(input_stream *inp) {
-  gpr_slice slice = gpr_slice_malloc(read_uint22(inp));
+  grpc_slice slice = grpc_slice_malloc(read_uint22(inp));
   memset(GPR_SLICE_START_PTR(slice), 0, GPR_SLICE_LENGTH(slice));
   grpc_byte_buffer *out = grpc_raw_byte_buffer_create(&slice, 1);
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   return out;
 }
 
diff --git a/test/core/end2end/fuzzers/client_fuzzer.c b/test/core/end2end/fuzzers/client_fuzzer.c
index d104fe55e5..c5260cd287 100644
--- a/test/core/end2end/fuzzers/client_fuzzer.c
+++ b/test/core/end2end/fuzzers/client_fuzzer.c
@@ -44,7 +44,7 @@
 bool squelch = true;
 bool leak_check = true;
 
-static void discard_write(gpr_slice slice) {}
+static void discard_write(grpc_slice slice) {}
 
 static void *tag(int n) { return (void *)(uintptr_t)n; }
 
@@ -121,7 +121,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
 
   grpc_mock_endpoint_put_read(
       &exec_ctx, mock_endpoint,
-      gpr_slice_from_copied_buffer((const char *)data, size));
+      grpc_slice_from_copied_buffer((const char *)data, size));
 
   grpc_event ev;
   while (1) {
diff --git a/test/core/end2end/fuzzers/server_fuzzer.c b/test/core/end2end/fuzzers/server_fuzzer.c
index ae4c8e658d..164022ec79 100644
--- a/test/core/end2end/fuzzers/server_fuzzer.c
+++ b/test/core/end2end/fuzzers/server_fuzzer.c
@@ -41,7 +41,7 @@
 bool squelch = true;
 bool leak_check = true;
 
-static void discard_write(gpr_slice slice) {}
+static void discard_write(grpc_slice slice) {}
 
 static void *tag(int n) { return (void *)(uintptr_t)n; }
 static int detag(void *p) { return (int)(uintptr_t)p; }
@@ -63,7 +63,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   grpc_mock_endpoint_put_read(
       &exec_ctx, mock_endpoint,
-      gpr_slice_from_copied_buffer((const char *)data, size));
+      grpc_slice_from_copied_buffer((const char *)data, size));
 
   grpc_server *server = grpc_server_create(NULL, NULL);
   grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
diff --git a/test/core/end2end/invalid_call_argument_test.c b/test/core/end2end/invalid_call_argument_test.c
index 2b9904a244..6cc7d28489 100644
--- a/test/core/end2end/invalid_call_argument_test.c
+++ b/test/core/end2end/invalid_call_argument_test.c
@@ -251,7 +251,7 @@ static void test_send_messages_at_the_same_time() {
   gpr_log(GPR_INFO, "test_send_messages_at_the_same_time");
 
   grpc_op *op;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   prepare_test(1);
diff --git a/test/core/end2end/tests/binary_metadata.c b/test/core/end2end/tests/binary_metadata.c
index 73b0f17c24..317ca3110b 100644
--- a/test/core/end2end/tests/binary_metadata.c
+++ b/test/core/end2end/tests/binary_metadata.c
@@ -100,8 +100,8 @@ static void test_request_response_with_metadata_and_payload(
     grpc_end2end_test_config config) {
   grpc_call *c;
   grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
+  grpc_slice response_payload_slice = grpc_slice_from_copied_string("hello you");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   grpc_byte_buffer *response_payload =
diff --git a/test/core/end2end/tests/call_creds.c b/test/core/end2end/tests/call_creds.c
index 99c5d94e39..8f8b7d5119 100644
--- a/test/core/end2end/tests/call_creds.c
+++ b/test/core/end2end/tests/call_creds.c
@@ -135,8 +135,8 @@ static void request_response_with_payload_and_call_creds(
     override_mode mode) {
   grpc_call *c;
   grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
+  grpc_slice response_payload_slice = grpc_slice_from_copied_string("hello you");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   grpc_byte_buffer *response_payload =
@@ -389,7 +389,7 @@ static void test_request_with_server_rejecting_client_creds(
   char *details = NULL;
   size_t details_capacity = 0;
   grpc_byte_buffer *response_payload_recv = NULL;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   grpc_call_credentials *creds;
diff --git a/test/core/end2end/tests/cancel_after_accept.c b/test/core/end2end/tests/cancel_after_accept.c
index 9f49815527..4bf55c8725 100644
--- a/test/core/end2end/tests/cancel_after_accept.c
+++ b/test/core/end2end/tests/cancel_after_accept.c
@@ -118,8 +118,8 @@ static void test_cancel_after_accept(grpc_end2end_test_config config,
   size_t details_capacity = 0;
   grpc_byte_buffer *request_payload_recv = NULL;
   grpc_byte_buffer *response_payload_recv = NULL;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
+  grpc_slice response_payload_slice = grpc_slice_from_copied_string("hello you");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   grpc_byte_buffer *response_payload =
diff --git a/test/core/end2end/tests/cancel_after_client_done.c b/test/core/end2end/tests/cancel_after_client_done.c
index f61a404b2d..afb17b0719 100644
--- a/test/core/end2end/tests/cancel_after_client_done.c
+++ b/test/core/end2end/tests/cancel_after_client_done.c
@@ -117,8 +117,8 @@ static void test_cancel_after_accept_and_writes_closed(
   size_t details_capacity = 0;
   grpc_byte_buffer *request_payload_recv = NULL;
   grpc_byte_buffer *response_payload_recv = NULL;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
+  grpc_slice response_payload_slice = grpc_slice_from_copied_string("hello you");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   grpc_byte_buffer *response_payload =
diff --git a/test/core/end2end/tests/cancel_after_invoke.c b/test/core/end2end/tests/cancel_after_invoke.c
index c31582bf2e..fe0e0d689c 100644
--- a/test/core/end2end/tests/cancel_after_invoke.c
+++ b/test/core/end2end/tests/cancel_after_invoke.c
@@ -116,7 +116,7 @@ static void test_cancel_after_invoke(grpc_end2end_test_config config,
   char *details = NULL;
   size_t details_capacity = 0;
   grpc_byte_buffer *response_payload_recv = NULL;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
 
diff --git a/test/core/end2end/tests/cancel_before_invoke.c b/test/core/end2end/tests/cancel_before_invoke.c
index 5dcd44e7b4..3a0b83c4d2 100644
--- a/test/core/end2end/tests/cancel_before_invoke.c
+++ b/test/core/end2end/tests/cancel_before_invoke.c
@@ -114,7 +114,7 @@ static void test_cancel_before_invoke(grpc_end2end_test_config config,
   char *details = NULL;
   size_t details_capacity = 0;
   grpc_byte_buffer *response_payload_recv = NULL;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
 
diff --git a/test/core/end2end/tests/compressed_payload.c b/test/core/end2end/tests/compressed_payload.c
index f598a3812b..92788dd8fa 100644
--- a/test/core/end2end/tests/compressed_payload.c
+++ b/test/core/end2end/tests/compressed_payload.c
@@ -110,7 +110,7 @@ static void request_for_disabled_algorithm(
     grpc_status_code expected_error, grpc_metadata *client_metadata) {
   grpc_call *c;
   grpc_call *s;
-  gpr_slice request_payload_slice;
+  grpc_slice request_payload_slice;
   grpc_byte_buffer *request_payload;
   gpr_timespec deadline = five_seconds_time();
   grpc_channel_args *client_args;
@@ -133,7 +133,7 @@ static void request_for_disabled_algorithm(
 
   memset(str, 'x', 1023);
   str[1023] = '\0';
-  request_payload_slice = gpr_slice_from_copied_string(str);
+  request_payload_slice = grpc_slice_from_copied_string(str);
   request_payload = grpc_raw_byte_buffer_create(&request_payload_slice, 1);
 
   client_args = grpc_channel_args_set_compression_algorithm(
@@ -255,7 +255,7 @@ static void request_for_disabled_algorithm(
 
   cq_verifier_destroy(cqv);
 
-  gpr_slice_unref(request_payload_slice);
+  grpc_slice_unref(request_payload_slice);
   grpc_byte_buffer_destroy(request_payload);
   grpc_byte_buffer_destroy(request_payload_recv);
 
@@ -277,7 +277,7 @@ static void request_with_payload_template(
     grpc_compression_level server_compression_level) {
   grpc_call *c;
   grpc_call *s;
-  gpr_slice request_payload_slice;
+  grpc_slice request_payload_slice;
   grpc_byte_buffer *request_payload;
   gpr_timespec deadline = five_seconds_time();
   grpc_channel_args *client_args;
@@ -307,8 +307,8 @@ static void request_with_payload_template(
   memset(response_str, 'y', 1023);
   response_str[1023] = '\0';
 
-  request_payload_slice = gpr_slice_from_copied_string(request_str);
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string(response_str);
+  request_payload_slice = grpc_slice_from_copied_string(request_str);
+  grpc_slice response_payload_slice = grpc_slice_from_copied_string(response_str);
 
   client_args = grpc_channel_args_set_compression_algorithm(
       NULL, default_client_channel_compression_algorithm);
@@ -458,8 +458,8 @@ static void request_with_payload_template(
     grpc_byte_buffer_destroy(response_payload_recv);
   }
 
-  gpr_slice_unref(request_payload_slice);
-  gpr_slice_unref(response_payload_slice);
+  grpc_slice_unref(request_payload_slice);
+  grpc_slice_unref(response_payload_slice);
 
   memset(ops, 0, sizeof(ops));
   op = ops;
diff --git a/test/core/end2end/tests/filter_call_init_fails.c b/test/core/end2end/tests/filter_call_init_fails.c
index 0e5692f4c9..36f98694b6 100644
--- a/test/core/end2end/tests/filter_call_init_fails.c
+++ b/test/core/end2end/tests/filter_call_init_fails.c
@@ -108,7 +108,7 @@ static void end_test(grpc_end2end_test_fixture *f) {
 static void test_request(grpc_end2end_test_config config) {
   grpc_call *c;
   grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   gpr_timespec deadline = five_seconds_time();
diff --git a/test/core/end2end/tests/filter_causes_close.c b/test/core/end2end/tests/filter_causes_close.c
index d5eddc7330..66449558c7 100644
--- a/test/core/end2end/tests/filter_causes_close.c
+++ b/test/core/end2end/tests/filter_causes_close.c
@@ -104,7 +104,7 @@ static void end_test(grpc_end2end_test_fixture *f) {
 static void test_request(grpc_end2end_test_config config) {
   grpc_call *c;
   grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   gpr_timespec deadline = five_seconds_time();
@@ -207,8 +207,8 @@ static void recv_im_ready(grpc_exec_ctx *exec_ctx, void *arg,
   call_data *calld = elem->call_data;
   if (error == GRPC_ERROR_NONE) {
     // close the stream with an error.
-    gpr_slice message =
-        gpr_slice_from_copied_string("Failure that's not preventable.");
+    grpc_slice message =
+        grpc_slice_from_copied_string("Failure that's not preventable.");
     grpc_transport_stream_op *op = grpc_make_transport_stream_op(NULL);
     grpc_transport_stream_op_add_close(op, GRPC_STATUS_PERMISSION_DENIED,
                                        &message);
diff --git a/test/core/end2end/tests/invoke_large_request.c b/test/core/end2end/tests/invoke_large_request.c
index 3820504e11..0a4d87c2fb 100644
--- a/test/core/end2end/tests/invoke_large_request.c
+++ b/test/core/end2end/tests/invoke_large_request.c
@@ -94,8 +94,8 @@ static void end_test(grpc_end2end_test_fixture *f) {
   grpc_completion_queue_destroy(f->cq);
 }
 
-static gpr_slice large_slice(void) {
-  gpr_slice slice = gpr_slice_malloc(1000000);
+static grpc_slice large_slice(void) {
+  grpc_slice slice = grpc_slice_malloc(1000000);
   memset(GPR_SLICE_START_PTR(slice), 'x', GPR_SLICE_LENGTH(slice));
   return slice;
 }
@@ -120,8 +120,8 @@ static void test_invoke_large_request(grpc_end2end_test_config config,
       begin_test(config, name, &channel_args, &channel_args);
   gpr_free(name);
 
-  gpr_slice request_payload_slice = large_slice();
-  gpr_slice response_payload_slice = large_slice();
+  grpc_slice request_payload_slice = large_slice();
+  grpc_slice response_payload_slice = large_slice();
   grpc_call *c;
   grpc_call *s;
   grpc_byte_buffer *request_payload =
@@ -262,8 +262,8 @@ static void test_invoke_large_request(grpc_end2end_test_config config,
   grpc_byte_buffer_destroy(response_payload);
   grpc_byte_buffer_destroy(request_payload_recv);
   grpc_byte_buffer_destroy(response_payload_recv);
-  gpr_slice_unref(request_payload_slice);
-  gpr_slice_unref(response_payload_slice);
+  grpc_slice_unref(request_payload_slice);
+  grpc_slice_unref(response_payload_slice);
 
   end_test(&f);
   config.tear_down_data(&f);
diff --git a/test/core/end2end/tests/large_metadata.c b/test/core/end2end/tests/large_metadata.c
index 6107836b12..29dcafb985 100644
--- a/test/core/end2end/tests/large_metadata.c
+++ b/test/core/end2end/tests/large_metadata.c
@@ -99,7 +99,7 @@ static void end_test(grpc_end2end_test_fixture *f) {
 static void test_request_with_large_metadata(grpc_end2end_test_config config) {
   grpc_call *c;
   grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   gpr_timespec deadline = five_seconds_time();
diff --git a/test/core/end2end/tests/load_reporting_hook.c b/test/core/end2end/tests/load_reporting_hook.c
index 0915730a02..1dba200c02 100644
--- a/test/core/end2end/tests/load_reporting_hook.c
+++ b/test/core/end2end/tests/load_reporting_hook.c
@@ -127,8 +127,8 @@ static void request_response_with_payload(grpc_end2end_test_fixture f,
                                           const char *response_msg,
                                           grpc_metadata *initial_lr_metadata,
                                           grpc_metadata *trailing_lr_metadata) {
-  gpr_slice request_payload_slice = gpr_slice_from_static_string(request_msg);
-  gpr_slice response_payload_slice = gpr_slice_from_static_string(response_msg);
+  grpc_slice request_payload_slice = grpc_slice_from_static_string(request_msg);
+  grpc_slice response_payload_slice = grpc_slice_from_static_string(response_msg);
   grpc_call *c;
   grpc_call *s;
   grpc_byte_buffer *request_payload =
diff --git a/test/core/end2end/tests/max_message_length.c b/test/core/end2end/tests/max_message_length.c
index 449a581d23..cdf52f9838 100644
--- a/test/core/end2end/tests/max_message_length.c
+++ b/test/core/end2end/tests/max_message_length.c
@@ -116,7 +116,7 @@ static void test_max_message_length_on_request(grpc_end2end_test_config config,
   cq_verifier *cqv;
   grpc_op ops[6];
   grpc_op *op;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   grpc_byte_buffer *recv_payload = NULL;
@@ -277,8 +277,8 @@ static void test_max_message_length_on_response(grpc_end2end_test_config config,
   cq_verifier *cqv;
   grpc_op ops[6];
   grpc_op *op;
-  gpr_slice response_payload_slice =
-      gpr_slice_from_copied_string("hello world");
+  grpc_slice response_payload_slice =
+      grpc_slice_from_copied_string("hello world");
   grpc_byte_buffer *response_payload =
       grpc_raw_byte_buffer_create(&response_payload_slice, 1);
   grpc_byte_buffer *recv_payload = NULL;
diff --git a/test/core/end2end/tests/network_status_change.c b/test/core/end2end/tests/network_status_change.c
index fa711bb0b6..e9528ff105 100644
--- a/test/core/end2end/tests/network_status_change.c
+++ b/test/core/end2end/tests/network_status_change.c
@@ -102,7 +102,7 @@ static void end_test(grpc_end2end_test_fixture *f) {
 static void test_invoke_network_status_change(grpc_end2end_test_config config) {
   grpc_call *c;
   grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   gpr_timespec deadline = five_seconds_time();
diff --git a/test/core/end2end/tests/payload.c b/test/core/end2end/tests/payload.c
index 8353ea32fd..5a19950726 100644
--- a/test/core/end2end/tests/payload.c
+++ b/test/core/end2end/tests/payload.c
@@ -95,8 +95,8 @@ static void end_test(grpc_end2end_test_fixture *f) {
   grpc_completion_queue_destroy(f->cq);
 }
 
-/* Creates and returns a gpr_slice containing random alphanumeric characters. */
-static gpr_slice generate_random_slice() {
+/* Creates and returns a grpc_slice containing random alphanumeric characters. */
+static grpc_slice generate_random_slice() {
   size_t i;
   static const char chars[] = "abcdefghijklmnopqrstuvwxyz1234567890";
   char *output;
@@ -106,7 +106,7 @@ static gpr_slice generate_random_slice() {
     output[i] = chars[rand() % (int)(sizeof(chars) - 1)];
   }
   output[output_size - 1] = '\0';
-  gpr_slice out = gpr_slice_from_copied_string(output);
+  grpc_slice out = grpc_slice_from_copied_string(output);
   gpr_free(output);
   return out;
 }
@@ -115,8 +115,8 @@ static void request_response_with_payload(grpc_end2end_test_fixture f) {
   /* Create large request and response bodies. These are big enough to require
    * multiple round trips to deliver to the peer, and their exact contents of
    * will be verified on completion. */
-  gpr_slice request_payload_slice = generate_random_slice();
-  gpr_slice response_payload_slice = generate_random_slice();
+  grpc_slice request_payload_slice = generate_random_slice();
+  grpc_slice response_payload_slice = generate_random_slice();
 
   grpc_call *c;
   grpc_call *s;
diff --git a/test/core/end2end/tests/ping_pong_streaming.c b/test/core/end2end/tests/ping_pong_streaming.c
index 30ea80043b..3398a9cff7 100644
--- a/test/core/end2end/tests/ping_pong_streaming.c
+++ b/test/core/end2end/tests/ping_pong_streaming.c
@@ -120,8 +120,8 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
   grpc_byte_buffer *response_payload;
   grpc_byte_buffer *response_payload_recv;
   int i;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
+  grpc_slice response_payload_slice = grpc_slice_from_copied_string("hello you");
 
   c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
                                "/foo", "foo.test.google.fr:1234", deadline,
@@ -228,8 +228,8 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
     grpc_byte_buffer_destroy(response_payload_recv);
   }
 
-  gpr_slice_unref(request_payload_slice);
-  gpr_slice_unref(response_payload_slice);
+  grpc_slice_unref(request_payload_slice);
+  grpc_slice_unref(response_payload_slice);
 
   memset(ops, 0, sizeof(ops));
   op = ops;
diff --git a/test/core/end2end/tests/request_with_flags.c b/test/core/end2end/tests/request_with_flags.c
index 69ad69af66..a37fc645b4 100644
--- a/test/core/end2end/tests/request_with_flags.c
+++ b/test/core/end2end/tests/request_with_flags.c
@@ -100,7 +100,7 @@ static void test_invoke_request_with_flags(
     grpc_end2end_test_config config, uint32_t *flags_for_op,
     grpc_call_error call_start_batch_expected_result) {
   grpc_call *c;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   gpr_timespec deadline = five_seconds_time();
diff --git a/test/core/end2end/tests/request_with_payload.c b/test/core/end2end/tests/request_with_payload.c
index 56ff83cdb4..3e2bbb3b0e 100644
--- a/test/core/end2end/tests/request_with_payload.c
+++ b/test/core/end2end/tests/request_with_payload.c
@@ -99,7 +99,7 @@ static void end_test(grpc_end2end_test_fixture *f) {
 static void test_invoke_request_with_payload(grpc_end2end_test_config config) {
   grpc_call *c;
   grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   gpr_timespec deadline = five_seconds_time();
diff --git a/test/core/end2end/tests/resource_quota_server.c b/test/core/end2end/tests/resource_quota_server.c
index 6170444373..280bad5749 100644
--- a/test/core/end2end/tests/resource_quota_server.c
+++ b/test/core/end2end/tests/resource_quota_server.c
@@ -95,8 +95,8 @@ static void end_test(grpc_end2end_test_fixture *f) {
   grpc_completion_queue_destroy(f->cq);
 }
 
-/* Creates and returns a gpr_slice containing random alphanumeric characters. */
-static gpr_slice generate_random_slice() {
+/* Creates and returns a grpc_slice containing random alphanumeric characters. */
+static grpc_slice generate_random_slice() {
   size_t i;
   static const char chars[] = "abcdefghijklmnopqrstuvwxyz1234567890";
   char output[1024 * 1024];
@@ -104,7 +104,7 @@ static gpr_slice generate_random_slice() {
     output[i] = chars[rand() % (int)(sizeof(chars) - 1)];
   }
   output[GPR_ARRAY_SIZE(output) - 1] = '\0';
-  return gpr_slice_from_copied_string(output);
+  return grpc_slice_from_copied_string(output);
 }
 
 void resource_quota_server(grpc_end2end_test_config config) {
@@ -131,7 +131,7 @@ void resource_quota_server(grpc_end2end_test_config config) {
   /* Create large request and response bodies. These are big enough to require
    * multiple round trips to deliver to the peer, and their exact contents of
    * will be verified on completion. */
-  gpr_slice request_payload_slice = generate_random_slice();
+  grpc_slice request_payload_slice = generate_random_slice();
 
   grpc_call *client_calls[NUM_CALLS];
   grpc_call *server_calls[NUM_CALLS];
@@ -349,7 +349,7 @@ void resource_quota_server(grpc_end2end_test_config config) {
   GPR_ASSERT(cancelled_calls_on_server >= 0.9 * cancelled_calls_on_client);
 
   grpc_byte_buffer_destroy(request_payload);
-  gpr_slice_unref(request_payload_slice);
+  grpc_slice_unref(request_payload_slice);
   grpc_resource_quota_unref(resource_quota);
 
   end_test(&f);
diff --git a/test/core/end2end/tests/simple_cacheable_request.c b/test/core/end2end/tests/simple_cacheable_request.c
index 29ba41bd8b..40dd3983e1 100644
--- a/test/core/end2end/tests/simple_cacheable_request.c
+++ b/test/core/end2end/tests/simple_cacheable_request.c
@@ -102,8 +102,8 @@ static void test_cacheable_request_response_with_metadata_and_payload(
     grpc_end2end_test_config config) {
   grpc_call *c;
   grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
+  grpc_slice response_payload_slice = grpc_slice_from_copied_string("hello you");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   grpc_byte_buffer *response_payload =
diff --git a/test/core/end2end/tests/simple_metadata.c b/test/core/end2end/tests/simple_metadata.c
index 304af9c3fa..1ac9dc8210 100644
--- a/test/core/end2end/tests/simple_metadata.c
+++ b/test/core/end2end/tests/simple_metadata.c
@@ -100,8 +100,8 @@ static void test_request_response_with_metadata_and_payload(
     grpc_end2end_test_config config) {
   grpc_call *c;
   grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
+  grpc_slice response_payload_slice = grpc_slice_from_copied_string("hello you");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   grpc_byte_buffer *response_payload =
diff --git a/test/core/end2end/tests/streaming_error_response.c b/test/core/end2end/tests/streaming_error_response.c
index fe63c6f7bb..efd41c508c 100644
--- a/test/core/end2end/tests/streaming_error_response.c
+++ b/test/core/end2end/tests/streaming_error_response.c
@@ -101,10 +101,10 @@ static void end_test(grpc_end2end_test_fixture *f) {
 static void test(grpc_end2end_test_config config, bool request_status_early) {
   grpc_call *c;
   grpc_call *s;
-  gpr_slice response_payload1_slice = gpr_slice_from_copied_string("hello");
+  grpc_slice response_payload1_slice = grpc_slice_from_copied_string("hello");
   grpc_byte_buffer *response_payload1 =
       grpc_raw_byte_buffer_create(&response_payload1_slice, 1);
-  gpr_slice response_payload2_slice = gpr_slice_from_copied_string("world");
+  grpc_slice response_payload2_slice = grpc_slice_from_copied_string("world");
   grpc_byte_buffer *response_payload2 =
       grpc_raw_byte_buffer_create(&response_payload2_slice, 1);
   gpr_timespec deadline = five_seconds_time();
diff --git a/test/core/end2end/tests/trailing_metadata.c b/test/core/end2end/tests/trailing_metadata.c
index e6bfc7c9f1..0bbf0879cc 100644
--- a/test/core/end2end/tests/trailing_metadata.c
+++ b/test/core/end2end/tests/trailing_metadata.c
@@ -100,8 +100,8 @@ static void test_request_response_with_metadata_and_payload(
     grpc_end2end_test_config config) {
   grpc_call *c;
   grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
+  grpc_slice response_payload_slice = grpc_slice_from_copied_string("hello you");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   grpc_byte_buffer *response_payload =
diff --git a/test/core/fling/client.c b/test/core/fling/client.c
index bcc195a92f..e717b7f7fe 100644
--- a/test/core/fling/client.c
+++ b/test/core/fling/client.c
@@ -155,7 +155,7 @@ static const scenario scenarios[] = {
 };
 
 int main(int argc, char **argv) {
-  gpr_slice slice = gpr_slice_from_copied_string("x");
+  grpc_slice slice = grpc_slice_from_copied_string("x");
   double start, stop;
   unsigned i;
 
@@ -241,7 +241,7 @@ int main(int argc, char **argv) {
   } while (event.type != GRPC_QUEUE_SHUTDOWN);
   grpc_completion_queue_destroy(cq);
   grpc_byte_buffer_destroy(the_buffer);
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
 
   gpr_log(GPR_INFO, "latency (50/95/99/99.9): %f/%f/%f/%f",
           gpr_histogram_percentile(histogram, 50),
diff --git a/test/core/http/format_request_test.c b/test/core/http/format_request_test.c
index 0d21e1200b..bd31e5e8ab 100644
--- a/test/core/http/format_request_test.c
+++ b/test/core/http/format_request_test.c
@@ -41,7 +41,7 @@
 static void test_format_get_request(void) {
   grpc_http_header hdr = {"x-yz", "abc"};
   grpc_httpcli_request req;
-  gpr_slice slice;
+  grpc_slice slice;
 
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
@@ -51,7 +51,7 @@ static void test_format_get_request(void) {
 
   slice = grpc_httpcli_format_get_request(&req);
 
-  GPR_ASSERT(0 == gpr_slice_str_cmp(slice,
+  GPR_ASSERT(0 == grpc_slice_str_cmp(slice,
                                     "GET /index.html HTTP/1.0\r\n"
                                     "Host: example.com\r\n"
                                     "Connection: close\r\n"
@@ -60,13 +60,13 @@ static void test_format_get_request(void) {
                                     "x-yz: abc\r\n"
                                     "\r\n"));
 
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
 }
 
 static void test_format_post_request(void) {
   grpc_http_header hdr = {"x-yz", "abc"};
   grpc_httpcli_request req;
-  gpr_slice slice;
+  grpc_slice slice;
   char body_bytes[] = "fake body";
   size_t body_len = 9;
 
@@ -78,7 +78,7 @@ static void test_format_post_request(void) {
 
   slice = grpc_httpcli_format_post_request(&req, body_bytes, body_len);
 
-  GPR_ASSERT(0 == gpr_slice_str_cmp(slice,
+  GPR_ASSERT(0 == grpc_slice_str_cmp(slice,
                                     "POST /index.html HTTP/1.0\r\n"
                                     "Host: example.com\r\n"
                                     "Connection: close\r\n"
@@ -90,13 +90,13 @@ static void test_format_post_request(void) {
                                     "\r\n"
                                     "fake body"));
 
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
 }
 
 static void test_format_post_request_no_body(void) {
   grpc_http_header hdr = {"x-yz", "abc"};
   grpc_httpcli_request req;
-  gpr_slice slice;
+  grpc_slice slice;
 
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
@@ -106,7 +106,7 @@ static void test_format_post_request_no_body(void) {
 
   slice = grpc_httpcli_format_post_request(&req, NULL, 0);
 
-  GPR_ASSERT(0 == gpr_slice_str_cmp(slice,
+  GPR_ASSERT(0 == grpc_slice_str_cmp(slice,
                                     "POST /index.html HTTP/1.0\r\n"
                                     "Host: example.com\r\n"
                                     "Connection: close\r\n"
@@ -115,13 +115,13 @@ static void test_format_post_request_no_body(void) {
                                     "x-yz: abc\r\n"
                                     "\r\n"));
 
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
 }
 
 static void test_format_post_request_content_type_override(void) {
   grpc_http_header hdrs[2];
   grpc_httpcli_request req;
-  gpr_slice slice;
+  grpc_slice slice;
   char body_bytes[] = "fake%20body";
   size_t body_len = 11;
 
@@ -137,7 +137,7 @@ static void test_format_post_request_content_type_override(void) {
 
   slice = grpc_httpcli_format_post_request(&req, body_bytes, body_len);
 
-  GPR_ASSERT(0 == gpr_slice_str_cmp(
+  GPR_ASSERT(0 == grpc_slice_str_cmp(
                       slice,
                       "POST /index.html HTTP/1.0\r\n"
                       "Host: example.com\r\n"
@@ -149,7 +149,7 @@ static void test_format_post_request_content_type_override(void) {
                       "\r\n"
                       "fake%20body"));
 
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
 }
 
 int main(int argc, char **argv) {
diff --git a/test/core/http/parser_test.c b/test/core/http/parser_test.c
index 2fc354d9ee..4f1445d3f1 100644
--- a/test/core/http/parser_test.c
+++ b/test/core/http/parser_test.c
@@ -48,23 +48,23 @@ static void test_request_succeeds(grpc_slice_split_mode split_mode,
                                   grpc_http_version expect_version,
                                   char *expect_path, char *expect_body, ...) {
   grpc_http_parser parser;
-  gpr_slice input_slice = gpr_slice_from_copied_string(request_text);
+  grpc_slice input_slice = grpc_slice_from_copied_string(request_text);
   size_t num_slices;
   size_t i;
-  gpr_slice *slices;
+  grpc_slice *slices;
   va_list args;
   grpc_http_request request;
   memset(&request, 0, sizeof(request));
 
   grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
-  gpr_slice_unref(input_slice);
+  grpc_slice_unref(input_slice);
 
   grpc_http_parser_init(&parser, GRPC_HTTP_REQUEST, &request);
 
   for (i = 0; i < num_slices; i++) {
     GPR_ASSERT(grpc_http_parser_parse(&parser, slices[i], NULL) ==
                GRPC_ERROR_NONE);
-    gpr_slice_unref(slices[i]);
+    grpc_slice_unref(slices[i]);
   }
   GPR_ASSERT(grpc_http_parser_eof(&parser) == GRPC_ERROR_NONE);
 
@@ -105,23 +105,23 @@ static void test_request_succeeds(grpc_slice_split_mode split_mode,
 static void test_succeeds(grpc_slice_split_mode split_mode, char *response_text,
                           int expect_status, char *expect_body, ...) {
   grpc_http_parser parser;
-  gpr_slice input_slice = gpr_slice_from_copied_string(response_text);
+  grpc_slice input_slice = grpc_slice_from_copied_string(response_text);
   size_t num_slices;
   size_t i;
-  gpr_slice *slices;
+  grpc_slice *slices;
   va_list args;
   grpc_http_response response;
   memset(&response, 0, sizeof(response));
 
   grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
-  gpr_slice_unref(input_slice);
+  grpc_slice_unref(input_slice);
 
   grpc_http_parser_init(&parser, GRPC_HTTP_RESPONSE, &response);
 
   for (i = 0; i < num_slices; i++) {
     GPR_ASSERT(grpc_http_parser_parse(&parser, slices[i], NULL) ==
                GRPC_ERROR_NONE);
-    gpr_slice_unref(slices[i]);
+    grpc_slice_unref(slices[i]);
   }
   GPR_ASSERT(grpc_http_parser_eof(&parser) == GRPC_ERROR_NONE);
 
@@ -158,16 +158,16 @@ static void test_succeeds(grpc_slice_split_mode split_mode, char *response_text,
 
 static void test_fails(grpc_slice_split_mode split_mode, char *response_text) {
   grpc_http_parser parser;
-  gpr_slice input_slice = gpr_slice_from_copied_string(response_text);
+  grpc_slice input_slice = grpc_slice_from_copied_string(response_text);
   size_t num_slices;
   size_t i;
-  gpr_slice *slices;
+  grpc_slice *slices;
   grpc_error *error = GRPC_ERROR_NONE;
   grpc_http_response response;
   memset(&response, 0, sizeof(response));
 
   grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
-  gpr_slice_unref(input_slice);
+  grpc_slice_unref(input_slice);
 
   grpc_http_parser_init(&parser, GRPC_HTTP_RESPONSE, &response);
 
@@ -175,7 +175,7 @@ static void test_fails(grpc_slice_split_mode split_mode, char *response_text) {
     if (GRPC_ERROR_NONE == error) {
       error = grpc_http_parser_parse(&parser, slices[i], NULL);
     }
-    gpr_slice_unref(slices[i]);
+    grpc_slice_unref(slices[i]);
   }
   if (GRPC_ERROR_NONE == error) {
     error = grpc_http_parser_eof(&parser);
@@ -191,16 +191,16 @@ static void test_fails(grpc_slice_split_mode split_mode, char *response_text) {
 static void test_request_fails(grpc_slice_split_mode split_mode,
                                char *request_text) {
   grpc_http_parser parser;
-  gpr_slice input_slice = gpr_slice_from_copied_string(request_text);
+  grpc_slice input_slice = grpc_slice_from_copied_string(request_text);
   size_t num_slices;
   size_t i;
-  gpr_slice *slices;
+  grpc_slice *slices;
   grpc_error *error = GRPC_ERROR_NONE;
   grpc_http_request request;
   memset(&request, 0, sizeof(request));
 
   grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
-  gpr_slice_unref(input_slice);
+  grpc_slice_unref(input_slice);
 
   grpc_http_parser_init(&parser, GRPC_HTTP_REQUEST, &request);
 
@@ -208,7 +208,7 @@ static void test_request_fails(grpc_slice_split_mode split_mode,
     if (error == GRPC_ERROR_NONE) {
       error = grpc_http_parser_parse(&parser, slices[i], NULL);
     }
-    gpr_slice_unref(slices[i]);
+    grpc_slice_unref(slices[i]);
   }
   if (error == GRPC_ERROR_NONE) {
     error = grpc_http_parser_eof(&parser);
diff --git a/test/core/http/request_fuzzer.c b/test/core/http/request_fuzzer.c
index bb6cb92c0c..98e2c9680d 100644
--- a/test/core/http/request_fuzzer.c
+++ b/test/core/http/request_fuzzer.c
@@ -47,10 +47,10 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   grpc_http_request request;
   memset(&request, 0, sizeof(request));
   grpc_http_parser_init(&parser, GRPC_HTTP_REQUEST, &request);
-  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_slice slice = grpc_slice_from_copied_buffer((const char *)data, size);
   GRPC_ERROR_UNREF(grpc_http_parser_parse(&parser, slice, NULL));
   GRPC_ERROR_UNREF(grpc_http_parser_eof(&parser));
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   grpc_http_parser_destroy(&parser);
   grpc_http_request_destroy(&request);
   return 0;
diff --git a/test/core/http/response_fuzzer.c b/test/core/http/response_fuzzer.c
index 4393840484..fff04117b2 100644
--- a/test/core/http/response_fuzzer.c
+++ b/test/core/http/response_fuzzer.c
@@ -46,10 +46,10 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   grpc_http_response response;
   memset(&response, 0, sizeof(response));
   grpc_http_parser_init(&parser, GRPC_HTTP_RESPONSE, &response);
-  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_slice slice = grpc_slice_from_copied_buffer((const char *)data, size);
   GRPC_ERROR_UNREF(grpc_http_parser_parse(&parser, slice, NULL));
   GRPC_ERROR_UNREF(grpc_http_parser_eof(&parser));
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   grpc_http_parser_destroy(&parser);
   grpc_http_response_destroy(&response);
   return 0;
diff --git a/test/core/internal_api_canaries/transport.c b/test/core/internal_api_canaries/transport.c
index 0617865412..2989f59535 100644
--- a/test/core/internal_api_canaries/transport.c
+++ b/test/core/internal_api_canaries/transport.c
@@ -69,7 +69,7 @@ static void test_code(void) {
   grpc_transport_perform_op(&transport, NULL, NULL);
   grpc_transport_ping(&transport, NULL);
   grpc_transport_goaway(&transport, GRPC_STATUS_UNAVAILABLE,
-                        gpr_slice_malloc(0));
+                        grpc_slice_malloc(0));
   grpc_transport_close(&transport);
   grpc_transport_destroy(&transport, NULL);
   GPR_ASSERT("xyz" == grpc_transport_get_peer(&transport, NULL));
diff --git a/test/core/iomgr/endpoint_tests.c b/test/core/iomgr/endpoint_tests.c
index b79c22e42a..775c0a3e6b 100644
--- a/test/core/iomgr/endpoint_tests.c
+++ b/test/core/iomgr/endpoint_tests.c
@@ -62,7 +62,7 @@
 static gpr_mu *g_mu;
 static grpc_pollset *g_pollset;
 
-size_t count_slices(gpr_slice *slices, size_t nslices, int *current_data) {
+size_t count_slices(grpc_slice *slices, size_t nslices, int *current_data) {
   size_t num_bytes = 0;
   size_t i;
   size_t j;
@@ -87,10 +87,10 @@ static grpc_endpoint_test_fixture begin_test(grpc_endpoint_test_config config,
 
 static void end_test(grpc_endpoint_test_config config) { config.clean_up(); }
 
-static gpr_slice *allocate_blocks(size_t num_bytes, size_t slice_size,
+static grpc_slice *allocate_blocks(size_t num_bytes, size_t slice_size,
                                   size_t *num_blocks, uint8_t *current_data) {
   size_t nslices = num_bytes / slice_size + (num_bytes % slice_size ? 1 : 0);
-  gpr_slice *slices = gpr_malloc(sizeof(gpr_slice) * nslices);
+  grpc_slice *slices = gpr_malloc(sizeof(grpc_slice) * nslices);
   size_t num_bytes_left = num_bytes;
   size_t i;
   size_t j;
@@ -98,7 +98,7 @@ static gpr_slice *allocate_blocks(size_t num_bytes, size_t slice_size,
   *num_blocks = nslices;
 
   for (i = 0; i < nslices; ++i) {
-    slices[i] = gpr_slice_malloc(slice_size > num_bytes_left ? num_bytes_left
+    slices[i] = grpc_slice_malloc(slice_size > num_bytes_left ? num_bytes_left
                                                              : slice_size);
     num_bytes_left -= GPR_SLICE_LENGTH(slices[i]);
     buf = GPR_SLICE_START_PTR(slices[i]);
@@ -122,8 +122,8 @@ struct read_and_write_test_state {
   uint8_t current_write_data;
   int read_done;
   int write_done;
-  gpr_slice_buffer incoming;
-  gpr_slice_buffer outgoing;
+  grpc_slice_buffer incoming;
+  grpc_slice_buffer outgoing;
   grpc_closure done_read;
   grpc_closure done_write;
 };
@@ -149,7 +149,7 @@ static void read_and_write_test_read_handler(grpc_exec_ctx *exec_ctx,
 static void read_and_write_test_write_handler(grpc_exec_ctx *exec_ctx,
                                               void *data, grpc_error *error) {
   struct read_and_write_test_state *state = data;
-  gpr_slice *slices = NULL;
+  grpc_slice *slices = NULL;
   size_t nslices;
 
   if (error == GRPC_ERROR_NONE) {
@@ -161,8 +161,8 @@ static void read_and_write_test_write_handler(grpc_exec_ctx *exec_ctx,
     if (state->current_write_size != 0) {
       slices = allocate_blocks(state->current_write_size, 8192, &nslices,
                                &state->current_write_data);
-      gpr_slice_buffer_reset_and_unref(&state->outgoing);
-      gpr_slice_buffer_addn(&state->outgoing, slices, nslices);
+      grpc_slice_buffer_reset_and_unref(&state->outgoing);
+      grpc_slice_buffer_addn(&state->outgoing, slices, nslices);
       grpc_endpoint_write(exec_ctx, state->write_ep, &state->outgoing,
                           &state->done_write);
       gpr_free(slices);
@@ -214,8 +214,8 @@ static void read_and_write_test(grpc_endpoint_test_config config,
   grpc_closure_init(&state.done_read, read_and_write_test_read_handler, &state);
   grpc_closure_init(&state.done_write, read_and_write_test_write_handler,
                     &state);
-  gpr_slice_buffer_init(&state.outgoing);
-  gpr_slice_buffer_init(&state.incoming);
+  grpc_slice_buffer_init(&state.outgoing);
+  grpc_slice_buffer_init(&state.incoming);
 
   /* Get started by pretending an initial write completed */
   /* NOTE: Sets up initial conditions so we can have the same write handler
@@ -249,8 +249,8 @@ static void read_and_write_test(grpc_endpoint_test_config config,
   grpc_exec_ctx_flush(&exec_ctx);
 
   end_test(config);
-  gpr_slice_buffer_destroy(&state.outgoing);
-  gpr_slice_buffer_destroy(&state.incoming);
+  grpc_slice_buffer_destroy(&state.outgoing);
+  grpc_slice_buffer_destroy(&state.incoming);
   grpc_endpoint_destroy(&exec_ctx, state.read_ep);
   grpc_endpoint_destroy(&exec_ctx, state.write_ep);
   grpc_exec_ctx_finish(&exec_ctx);
@@ -284,8 +284,8 @@ static void multiple_shutdown_test(grpc_endpoint_test_config config) {
       begin_test(config, "multiple_shutdown_test", 128);
   int fail_count = 0;
 
-  gpr_slice_buffer slice_buffer;
-  gpr_slice_buffer_init(&slice_buffer);
+  grpc_slice_buffer slice_buffer;
+  grpc_slice_buffer_init(&slice_buffer);
 
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_endpoint_add_to_pollset(&exec_ctx, f.client_ep, g_pollset);
@@ -297,14 +297,14 @@ static void multiple_shutdown_test(grpc_endpoint_test_config config) {
   grpc_endpoint_read(&exec_ctx, f.client_ep, &slice_buffer,
                      grpc_closure_create(inc_on_failure, &fail_count));
   wait_for_fail_count(&exec_ctx, &fail_count, 2);
-  gpr_slice_buffer_add(&slice_buffer, gpr_slice_from_copied_string("a"));
+  grpc_slice_buffer_add(&slice_buffer, grpc_slice_from_copied_string("a"));
   grpc_endpoint_write(&exec_ctx, f.client_ep, &slice_buffer,
                       grpc_closure_create(inc_on_failure, &fail_count));
   wait_for_fail_count(&exec_ctx, &fail_count, 3);
   grpc_endpoint_shutdown(&exec_ctx, f.client_ep);
   wait_for_fail_count(&exec_ctx, &fail_count, 3);
 
-  gpr_slice_buffer_destroy(&slice_buffer);
+  grpc_slice_buffer_destroy(&slice_buffer);
 
   grpc_endpoint_destroy(&exec_ctx, f.client_ep);
   grpc_endpoint_destroy(&exec_ctx, f.server_ep);
diff --git a/test/core/iomgr/load_file_test.c b/test/core/iomgr/load_file_test.c
index f70295a81c..c7387fe7a4 100644
--- a/test/core/iomgr/load_file_test.c
+++ b/test/core/iomgr/load_file_test.c
@@ -49,8 +49,8 @@ static const char prefix[] = "file_test";
 
 static void test_load_empty_file(void) {
   FILE *tmp = NULL;
-  gpr_slice slice;
-  gpr_slice slice_with_null_term;
+  grpc_slice slice;
+  grpc_slice slice_with_null_term;
   grpc_error *error;
   char *tmp_name;
 
@@ -72,13 +72,13 @@ static void test_load_empty_file(void) {
 
   remove(tmp_name);
   gpr_free(tmp_name);
-  gpr_slice_unref(slice);
-  gpr_slice_unref(slice_with_null_term);
+  grpc_slice_unref(slice);
+  grpc_slice_unref(slice_with_null_term);
 }
 
 static void test_load_failure(void) {
   FILE *tmp = NULL;
-  gpr_slice slice;
+  grpc_slice slice;
   grpc_error *error;
   char *tmp_name;
 
@@ -95,13 +95,13 @@ static void test_load_failure(void) {
   GRPC_ERROR_UNREF(error);
   GPR_ASSERT(GPR_SLICE_LENGTH(slice) == 0);
   gpr_free(tmp_name);
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
 }
 
 static void test_load_small_file(void) {
   FILE *tmp = NULL;
-  gpr_slice slice;
-  gpr_slice slice_with_null_term;
+  grpc_slice slice;
+  grpc_slice slice_with_null_term;
   grpc_error *error;
   char *tmp_name;
   const char *blah = "blah";
@@ -127,13 +127,13 @@ static void test_load_small_file(void) {
 
   remove(tmp_name);
   gpr_free(tmp_name);
-  gpr_slice_unref(slice);
-  gpr_slice_unref(slice_with_null_term);
+  grpc_slice_unref(slice);
+  grpc_slice_unref(slice_with_null_term);
 }
 
 static void test_load_big_file(void) {
   FILE *tmp = NULL;
-  gpr_slice slice;
+  grpc_slice slice;
   grpc_error *error;
   char *tmp_name;
   static const size_t buffer_size = 124631;
@@ -161,7 +161,7 @@ static void test_load_big_file(void) {
 
   remove(tmp_name);
   gpr_free(tmp_name);
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   gpr_free(buffer);
 }
 
diff --git a/test/core/iomgr/resource_quota_test.c b/test/core/iomgr/resource_quota_test.c
index 5e2f9f8359..85c6ce6e70 100644
--- a/test/core/iomgr/resource_quota_test.c
+++ b/test/core/iomgr/resource_quota_test.c
@@ -657,8 +657,8 @@ static void test_one_slice(void) {
   grpc_resource_user_slice_allocator_init(&alloc, &usr, inc_int_cb,
                                           &num_allocs);
 
-  gpr_slice_buffer buffer;
-  gpr_slice_buffer_init(&buffer);
+  grpc_slice_buffer buffer;
+  grpc_slice_buffer_init(&buffer);
 
   {
     const int start_allocs = num_allocs;
@@ -668,7 +668,7 @@ static void test_one_slice(void) {
     GPR_ASSERT(num_allocs == start_allocs + 1);
   }
 
-  gpr_slice_buffer_destroy(&buffer);
+  grpc_slice_buffer_destroy(&buffer);
   destroy_user(&usr);
   grpc_resource_quota_unref(q);
 }
@@ -688,8 +688,8 @@ static void test_one_slice_deleted_late(void) {
   grpc_resource_user_slice_allocator_init(&alloc, &usr, inc_int_cb,
                                           &num_allocs);
 
-  gpr_slice_buffer buffer;
-  gpr_slice_buffer_init(&buffer);
+  grpc_slice_buffer buffer;
+  grpc_slice_buffer_init(&buffer);
 
   {
     const int start_allocs = num_allocs;
@@ -708,7 +708,7 @@ static void test_one_slice_deleted_late(void) {
   }
 
   grpc_resource_quota_unref(q);
-  gpr_slice_buffer_destroy(&buffer);
+  grpc_slice_buffer_destroy(&buffer);
   GPR_ASSERT(done);
   {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
diff --git a/test/core/iomgr/tcp_posix_test.c b/test/core/iomgr/tcp_posix_test.c
index 3f2e19ffd8..a259390d5e 100644
--- a/test/core/iomgr/tcp_posix_test.c
+++ b/test/core/iomgr/tcp_posix_test.c
@@ -119,11 +119,11 @@ struct read_socket_state {
   grpc_endpoint *ep;
   size_t read_bytes;
   size_t target_read_bytes;
-  gpr_slice_buffer incoming;
+  grpc_slice_buffer incoming;
   grpc_closure read_cb;
 };
 
-static size_t count_slices(gpr_slice *slices, size_t nslices,
+static size_t count_slices(grpc_slice *slices, size_t nslices,
                            int *current_data) {
   size_t num_bytes = 0;
   unsigned i, j;
@@ -188,7 +188,7 @@ static void read_test(size_t num_bytes, size_t slice_size) {
   state.ep = ep;
   state.read_bytes = 0;
   state.target_read_bytes = written_bytes;
-  gpr_slice_buffer_init(&state.incoming);
+  grpc_slice_buffer_init(&state.incoming);
   grpc_closure_init(&state.read_cb, read_cb, &state);
 
   grpc_endpoint_read(&exec_ctx, ep, &state.incoming, &state.read_cb);
@@ -207,7 +207,7 @@ static void read_test(size_t num_bytes, size_t slice_size) {
   GPR_ASSERT(state.read_bytes == state.target_read_bytes);
   gpr_mu_unlock(g_mu);
 
-  gpr_slice_buffer_destroy(&state.incoming);
+  grpc_slice_buffer_destroy(&state.incoming);
   grpc_endpoint_destroy(&exec_ctx, ep);
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -239,7 +239,7 @@ static void large_read_test(size_t slice_size) {
   state.ep = ep;
   state.read_bytes = 0;
   state.target_read_bytes = (size_t)written_bytes;
-  gpr_slice_buffer_init(&state.incoming);
+  grpc_slice_buffer_init(&state.incoming);
   grpc_closure_init(&state.read_cb, read_cb, &state);
 
   grpc_endpoint_read(&exec_ctx, ep, &state.incoming, &state.read_cb);
@@ -258,7 +258,7 @@ static void large_read_test(size_t slice_size) {
   GPR_ASSERT(state.read_bytes == state.target_read_bytes);
   gpr_mu_unlock(g_mu);
 
-  gpr_slice_buffer_destroy(&state.incoming);
+  grpc_slice_buffer_destroy(&state.incoming);
   grpc_endpoint_destroy(&exec_ctx, ep);
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -268,17 +268,17 @@ struct write_socket_state {
   int write_done;
 };
 
-static gpr_slice *allocate_blocks(size_t num_bytes, size_t slice_size,
+static grpc_slice *allocate_blocks(size_t num_bytes, size_t slice_size,
                                   size_t *num_blocks, uint8_t *current_data) {
   size_t nslices = num_bytes / slice_size + (num_bytes % slice_size ? 1u : 0u);
-  gpr_slice *slices = gpr_malloc(sizeof(gpr_slice) * nslices);
+  grpc_slice *slices = gpr_malloc(sizeof(grpc_slice) * nslices);
   size_t num_bytes_left = num_bytes;
   unsigned i, j;
   unsigned char *buf;
   *num_blocks = nslices;
 
   for (i = 0; i < nslices; ++i) {
-    slices[i] = gpr_slice_malloc(slice_size > num_bytes_left ? num_bytes_left
+    slices[i] = grpc_slice_malloc(slice_size > num_bytes_left ? num_bytes_left
                                                              : slice_size);
     num_bytes_left -= GPR_SLICE_LENGTH(slices[i]);
     buf = GPR_SLICE_START_PTR(slices[i]);
@@ -352,9 +352,9 @@ static void write_test(size_t num_bytes, size_t slice_size) {
   grpc_endpoint *ep;
   struct write_socket_state state;
   size_t num_blocks;
-  gpr_slice *slices;
+  grpc_slice *slices;
   uint8_t current_data = 0;
-  gpr_slice_buffer outgoing;
+  grpc_slice_buffer outgoing;
   grpc_closure write_done_closure;
   gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(20);
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -377,8 +377,8 @@ static void write_test(size_t num_bytes, size_t slice_size) {
 
   slices = allocate_blocks(num_bytes, slice_size, &num_blocks, &current_data);
 
-  gpr_slice_buffer_init(&outgoing);
-  gpr_slice_buffer_addn(&outgoing, slices, num_blocks);
+  grpc_slice_buffer_init(&outgoing);
+  grpc_slice_buffer_addn(&outgoing, slices, num_blocks);
   grpc_closure_init(&write_done_closure, write_done, &state);
 
   grpc_endpoint_write(&exec_ctx, ep, &outgoing, &write_done_closure);
@@ -399,7 +399,7 @@ static void write_test(size_t num_bytes, size_t slice_size) {
   }
   gpr_mu_unlock(g_mu);
 
-  gpr_slice_buffer_destroy(&outgoing);
+  grpc_slice_buffer_destroy(&outgoing);
   grpc_endpoint_destroy(&exec_ctx, ep);
   gpr_free(slices);
   grpc_exec_ctx_finish(&exec_ctx);
@@ -446,7 +446,7 @@ static void release_fd_test(size_t num_bytes, size_t slice_size) {
   state.ep = ep;
   state.read_bytes = 0;
   state.target_read_bytes = written_bytes;
-  gpr_slice_buffer_init(&state.incoming);
+  grpc_slice_buffer_init(&state.incoming);
   grpc_closure_init(&state.read_cb, read_cb, &state);
 
   grpc_endpoint_read(&exec_ctx, ep, &state.incoming, &state.read_cb);
@@ -467,7 +467,7 @@ static void release_fd_test(size_t num_bytes, size_t slice_size) {
   GPR_ASSERT(state.read_bytes == state.target_read_bytes);
   gpr_mu_unlock(g_mu);
 
-  gpr_slice_buffer_destroy(&state.incoming);
+  grpc_slice_buffer_destroy(&state.incoming);
   grpc_tcp_destroy_and_release_fd(&exec_ctx, ep, &fd, &fd_released_cb);
   grpc_exec_ctx_flush(&exec_ctx);
   gpr_mu_lock(g_mu);
diff --git a/test/core/nanopb/fuzzer_response.c b/test/core/nanopb/fuzzer_response.c
index a82f20df83..202c120c67 100644
--- a/test/core/nanopb/fuzzer_response.c
+++ b/test/core/nanopb/fuzzer_response.c
@@ -45,11 +45,11 @@ static void dont_log(gpr_log_func_args *args) {}
 
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   if (squelch) gpr_set_log_function(dont_log);
-  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_slice slice = grpc_slice_from_copied_buffer((const char *)data, size);
   grpc_grpclb_initial_response *response;
   if ((response = grpc_grpclb_initial_response_parse(slice))) {
     grpc_grpclb_initial_response_destroy(response);
   }
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   return 0;
 }
diff --git a/test/core/nanopb/fuzzer_serverlist.c b/test/core/nanopb/fuzzer_serverlist.c
index 9700bf1cda..b225ae0d51 100644
--- a/test/core/nanopb/fuzzer_serverlist.c
+++ b/test/core/nanopb/fuzzer_serverlist.c
@@ -45,11 +45,11 @@ static void dont_log(gpr_log_func_args *args) {}
 
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   if (squelch) gpr_set_log_function(dont_log);
-  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_slice slice = grpc_slice_from_copied_buffer((const char *)data, size);
   grpc_grpclb_serverlist *serverlist;
   if ((serverlist = grpc_grpclb_response_parse_serverlist(slice))) {
     grpc_grpclb_destroy_serverlist(serverlist);
   }
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   return 0;
 }
diff --git a/test/core/security/b64_test.c b/test/core/security/b64_test.c
index b26bd026fd..f88be392a2 100644
--- a/test/core/security/b64_test.c
+++ b/test/core/security/b64_test.c
@@ -57,12 +57,12 @@ static void test_simple_encode_decode_b64(int url_safe, int multiline) {
   const char *hello = "hello";
   char *hello_b64 =
       grpc_base64_encode(hello, strlen(hello), url_safe, multiline);
-  gpr_slice hello_slice = grpc_base64_decode(hello_b64, url_safe);
+  grpc_slice hello_slice = grpc_base64_decode(hello_b64, url_safe);
   GPR_ASSERT(GPR_SLICE_LENGTH(hello_slice) == strlen(hello));
   GPR_ASSERT(strncmp((const char *)GPR_SLICE_START_PTR(hello_slice), hello,
                      GPR_SLICE_LENGTH(hello_slice)) == 0);
 
-  gpr_slice_unref(hello_slice);
+  grpc_slice_unref(hello_slice);
   gpr_free(hello_b64);
 }
 
@@ -70,7 +70,7 @@ static void test_full_range_encode_decode_b64(int url_safe, int multiline) {
   unsigned char orig[256];
   size_t i;
   char *b64;
-  gpr_slice orig_decoded;
+  grpc_slice orig_decoded;
   for (i = 0; i < sizeof(orig); i++) orig[i] = (uint8_t)i;
 
   /* Try all the different paddings. */
@@ -80,7 +80,7 @@ static void test_full_range_encode_decode_b64(int url_safe, int multiline) {
     GPR_ASSERT(GPR_SLICE_LENGTH(orig_decoded) == (sizeof(orig) - i));
     GPR_ASSERT(buffers_are_equal(orig, GPR_SLICE_START_PTR(orig_decoded),
                                  sizeof(orig) - i));
-    gpr_slice_unref(orig_decoded);
+    grpc_slice_unref(orig_decoded);
     gpr_free(b64);
   }
 }
@@ -121,7 +121,7 @@ static void test_url_safe_unsafe_mismtach_failure(void) {
   unsigned char orig[256];
   size_t i;
   char *b64;
-  gpr_slice orig_decoded;
+  grpc_slice orig_decoded;
   int url_safe = 1;
   for (i = 0; i < sizeof(orig); i++) orig[i] = (uint8_t)i;
 
@@ -129,13 +129,13 @@ static void test_url_safe_unsafe_mismtach_failure(void) {
   orig_decoded = grpc_base64_decode(b64, !url_safe);
   GPR_ASSERT(GPR_SLICE_IS_EMPTY(orig_decoded));
   gpr_free(b64);
-  gpr_slice_unref(orig_decoded);
+  grpc_slice_unref(orig_decoded);
 
   b64 = grpc_base64_encode(orig, sizeof(orig), !url_safe, 0);
   orig_decoded = grpc_base64_decode(b64, url_safe);
   GPR_ASSERT(GPR_SLICE_IS_EMPTY(orig_decoded));
   gpr_free(b64);
-  gpr_slice_unref(orig_decoded);
+  grpc_slice_unref(orig_decoded);
 }
 
 static void test_rfc4648_test_vectors(void) {
@@ -171,37 +171,37 @@ static void test_rfc4648_test_vectors(void) {
 }
 
 static void test_unpadded_decode(void) {
-  gpr_slice decoded;
+  grpc_slice decoded;
 
   decoded = grpc_base64_decode("Zm9vYmFy", 0);
   GPR_ASSERT(!GPR_SLICE_IS_EMPTY(decoded));
-  GPR_ASSERT(gpr_slice_str_cmp(decoded, "foobar") == 0);
-  gpr_slice_unref(decoded);
+  GPR_ASSERT(grpc_slice_str_cmp(decoded, "foobar") == 0);
+  grpc_slice_unref(decoded);
 
   decoded = grpc_base64_decode("Zm9vYmE", 0);
   GPR_ASSERT(!GPR_SLICE_IS_EMPTY(decoded));
-  GPR_ASSERT(gpr_slice_str_cmp(decoded, "fooba") == 0);
-  gpr_slice_unref(decoded);
+  GPR_ASSERT(grpc_slice_str_cmp(decoded, "fooba") == 0);
+  grpc_slice_unref(decoded);
 
   decoded = grpc_base64_decode("Zm9vYg", 0);
   GPR_ASSERT(!GPR_SLICE_IS_EMPTY(decoded));
-  GPR_ASSERT(gpr_slice_str_cmp(decoded, "foob") == 0);
-  gpr_slice_unref(decoded);
+  GPR_ASSERT(grpc_slice_str_cmp(decoded, "foob") == 0);
+  grpc_slice_unref(decoded);
 
   decoded = grpc_base64_decode("Zm9v", 0);
   GPR_ASSERT(!GPR_SLICE_IS_EMPTY(decoded));
-  GPR_ASSERT(gpr_slice_str_cmp(decoded, "foo") == 0);
-  gpr_slice_unref(decoded);
+  GPR_ASSERT(grpc_slice_str_cmp(decoded, "foo") == 0);
+  grpc_slice_unref(decoded);
 
   decoded = grpc_base64_decode("Zm8", 0);
   GPR_ASSERT(!GPR_SLICE_IS_EMPTY(decoded));
-  GPR_ASSERT(gpr_slice_str_cmp(decoded, "fo") == 0);
-  gpr_slice_unref(decoded);
+  GPR_ASSERT(grpc_slice_str_cmp(decoded, "fo") == 0);
+  grpc_slice_unref(decoded);
 
   decoded = grpc_base64_decode("Zg", 0);
   GPR_ASSERT(!GPR_SLICE_IS_EMPTY(decoded));
-  GPR_ASSERT(gpr_slice_str_cmp(decoded, "f") == 0);
-  gpr_slice_unref(decoded);
+  GPR_ASSERT(grpc_slice_str_cmp(decoded, "f") == 0);
+  grpc_slice_unref(decoded);
 
   decoded = grpc_base64_decode("", 0);
   GPR_ASSERT(GPR_SLICE_IS_EMPTY(decoded));
diff --git a/test/core/security/create_jwt.c b/test/core/security/create_jwt.c
index 1bd135f175..8b78dc5da5 100644
--- a/test/core/security/create_jwt.c
+++ b/test/core/security/create_jwt.c
@@ -46,12 +46,12 @@ void create_jwt(const char *json_key_file_path, const char *service_url,
                 const char *scope) {
   grpc_auth_json_key key;
   char *jwt;
-  gpr_slice json_key_data;
+  grpc_slice json_key_data;
   GPR_ASSERT(GRPC_LOG_IF_ERROR(
       "load_file", grpc_load_file(json_key_file_path, 1, &json_key_data)));
   key = grpc_auth_json_key_create_from_string(
       (const char *)GPR_SLICE_START_PTR(json_key_data));
-  gpr_slice_unref(json_key_data);
+  grpc_slice_unref(json_key_data);
   if (!grpc_auth_json_key_is_valid(&key)) {
     fprintf(stderr, "Could not parse json key.\n");
     exit(1);
diff --git a/test/core/security/credentials_test.c b/test/core/security/credentials_test.c
index 2f8ffe4da6..d8bde4f2c2 100644
--- a/test/core/security/credentials_test.c
+++ b/test/core/security/credentials_test.c
@@ -187,14 +187,14 @@ static void test_add_to_empty_md_store(void) {
   grpc_credentials_md_store *store = grpc_credentials_md_store_create(0);
   const char *key_str = "hello";
   const char *value_str = "there blah blah blah blah blah blah blah";
-  gpr_slice key = gpr_slice_from_copied_string(key_str);
-  gpr_slice value = gpr_slice_from_copied_string(value_str);
+  grpc_slice key = grpc_slice_from_copied_string(key_str);
+  grpc_slice value = grpc_slice_from_copied_string(value_str);
   grpc_credentials_md_store_add(store, key, value);
   GPR_ASSERT(store->num_entries == 1);
-  GPR_ASSERT(gpr_slice_cmp(key, store->entries[0].key) == 0);
-  GPR_ASSERT(gpr_slice_cmp(value, store->entries[0].value) == 0);
-  gpr_slice_unref(key);
-  gpr_slice_unref(value);
+  GPR_ASSERT(grpc_slice_cmp(key, store->entries[0].key) == 0);
+  GPR_ASSERT(grpc_slice_cmp(value, store->entries[0].value) == 0);
+  grpc_slice_unref(key);
+  grpc_slice_unref(value);
   grpc_credentials_md_store_unref(store);
 }
 
@@ -204,8 +204,8 @@ static void test_add_cstrings_to_empty_md_store(void) {
   const char *value_str = "there blah blah blah blah blah blah blah";
   grpc_credentials_md_store_add_cstrings(store, key_str, value_str);
   GPR_ASSERT(store->num_entries == 1);
-  GPR_ASSERT(gpr_slice_str_cmp(store->entries[0].key, key_str) == 0);
-  GPR_ASSERT(gpr_slice_str_cmp(store->entries[0].value, value_str) == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(store->entries[0].key, key_str) == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(store->entries[0].value, value_str) == 0);
   grpc_credentials_md_store_unref(store);
 }
 
@@ -227,8 +227,8 @@ static void test_add_abunch_to_md_store(void) {
     grpc_credentials_md_store_add_cstrings(store, key_str, value_str);
   }
   for (i = 0; i < num_entries; i++) {
-    GPR_ASSERT(gpr_slice_str_cmp(store->entries[i].key, key_str) == 0);
-    GPR_ASSERT(gpr_slice_str_cmp(store->entries[i].value, value_str) == 0);
+    GPR_ASSERT(grpc_slice_str_cmp(store->entries[i].key, key_str) == 0);
+    GPR_ASSERT(grpc_slice_str_cmp(store->entries[i].value, value_str) == 0);
   }
   grpc_credentials_md_store_unref(store);
 }
@@ -243,8 +243,8 @@ static void test_oauth2_token_fetcher_creds_parsing_ok(void) {
   GPR_ASSERT(token_lifetime.tv_sec == 3599);
   GPR_ASSERT(token_lifetime.tv_nsec == 0);
   GPR_ASSERT(token_md->num_entries == 1);
-  GPR_ASSERT(gpr_slice_str_cmp(token_md->entries[0].key, "authorization") == 0);
-  GPR_ASSERT(gpr_slice_str_cmp(token_md->entries[0].value,
+  GPR_ASSERT(grpc_slice_str_cmp(token_md->entries[0].key, "authorization") == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(token_md->entries[0].value,
                                "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_") ==
              0);
   grpc_credentials_md_store_unref(token_md);
@@ -333,8 +333,8 @@ static void check_metadata(expected_md *expected, grpc_credentials_md *md_elems,
   for (i = 0; i < num_md; i++) {
     size_t j;
     for (j = 0; j < num_md; j++) {
-      if (0 == gpr_slice_str_cmp(md_elems[j].key, expected[i].key)) {
-        GPR_ASSERT(gpr_slice_str_cmp(md_elems[j].value, expected[i].value) ==
+      if (0 == grpc_slice_str_cmp(md_elems[j].key, expected[i].key)) {
+        GPR_ASSERT(grpc_slice_str_cmp(md_elems[j].value, expected[i].value) ==
                    0);
         break;
       }
@@ -528,8 +528,8 @@ static void on_oauth2_creds_get_metadata_success(
   GPR_ASSERT(status == GRPC_CREDENTIALS_OK);
   GPR_ASSERT(error_details == NULL);
   GPR_ASSERT(num_md == 1);
-  GPR_ASSERT(gpr_slice_str_cmp(md_elems[0].key, "authorization") == 0);
-  GPR_ASSERT(gpr_slice_str_cmp(md_elems[0].value,
+  GPR_ASSERT(grpc_slice_str_cmp(md_elems[0].key, "authorization") == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(md_elems[0].value,
                                "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_") ==
              0);
   GPR_ASSERT(user_data != NULL);
@@ -781,8 +781,8 @@ static void on_jwt_creds_get_metadata_success(
   GPR_ASSERT(status == GRPC_CREDENTIALS_OK);
   GPR_ASSERT(error_details == NULL);
   GPR_ASSERT(num_md == 1);
-  GPR_ASSERT(gpr_slice_str_cmp(md_elems[0].key, "authorization") == 0);
-  GPR_ASSERT(gpr_slice_str_cmp(md_elems[0].value, expected_md_value) == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(md_elems[0].key, "authorization") == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(md_elems[0].value, expected_md_value) == 0);
   GPR_ASSERT(user_data != NULL);
   GPR_ASSERT(strcmp((const char *)user_data, test_user_data) == 0);
   gpr_free(expected_md_value);
@@ -1057,8 +1057,8 @@ static void on_plugin_metadata_received_success(
   GPR_ASSERT(md_elems != NULL);
   GPR_ASSERT(num_md == GPR_ARRAY_SIZE(plugin_md));
   for (i = 0; i < num_md; i++) {
-    GPR_ASSERT(gpr_slice_str_cmp(md_elems[i].key, plugin_md[i].key) == 0);
-    GPR_ASSERT(gpr_slice_str_cmp(md_elems[i].value, plugin_md[i].value) == 0);
+    GPR_ASSERT(grpc_slice_str_cmp(md_elems[i].key, plugin_md[i].key) == 0);
+    GPR_ASSERT(grpc_slice_str_cmp(md_elems[i].value, plugin_md[i].value) == 0);
   }
 }
 
diff --git a/test/core/security/fetch_oauth2.c b/test/core/security/fetch_oauth2.c
index 292f59a7c1..aa3db9f398 100644
--- a/test/core/security/fetch_oauth2.c
+++ b/test/core/security/fetch_oauth2.c
@@ -48,7 +48,7 @@
 
 static grpc_call_credentials *create_refresh_token_creds(
     const char *json_refresh_token_file_path) {
-  gpr_slice refresh_token;
+  grpc_slice refresh_token;
   GPR_ASSERT(GRPC_LOG_IF_ERROR(
       "load_file",
       grpc_load_file(json_refresh_token_file_path, 1, &refresh_token)));
diff --git a/test/core/security/json_token_test.c b/test/core/security/json_token_test.c
index 405fe56c46..162997662e 100644
--- a/test/core/security/json_token_test.c
+++ b/test/core/security/json_token_test.c
@@ -223,7 +223,7 @@ static grpc_json *parse_json_part_from_jwt(const char *str, size_t len,
   char *b64;
   char *decoded;
   grpc_json *json;
-  gpr_slice slice;
+  grpc_slice slice;
   b64 = gpr_malloc(len + 1);
   strncpy(b64, str, len);
   b64[len] = '\0';
@@ -236,7 +236,7 @@ static grpc_json *parse_json_part_from_jwt(const char *str, size_t len,
   json = grpc_json_parse_string(decoded);
   gpr_free(b64);
   *scratchpad = decoded;
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   return json;
 }
 
@@ -341,7 +341,7 @@ static void check_jwt_signature(const char *b64_signature, RSA *rsa_key,
   EVP_MD_CTX *md_ctx = EVP_MD_CTX_create();
   EVP_PKEY *key = EVP_PKEY_new();
 
-  gpr_slice sig = grpc_base64_decode(b64_signature, 1);
+  grpc_slice sig = grpc_base64_decode(b64_signature, 1);
   GPR_ASSERT(!GPR_SLICE_IS_EMPTY(sig));
   GPR_ASSERT(GPR_SLICE_LENGTH(sig) == 128);
 
@@ -355,7 +355,7 @@ static void check_jwt_signature(const char *b64_signature, RSA *rsa_key,
   GPR_ASSERT(EVP_DigestVerifyFinal(md_ctx, GPR_SLICE_START_PTR(sig),
                                    GPR_SLICE_LENGTH(sig)) == 1);
 
-  gpr_slice_unref(sig);
+  grpc_slice_unref(sig);
   if (key != NULL) EVP_PKEY_free(key);
   if (md_ctx != NULL) EVP_MD_CTX_destroy(md_ctx);
 }
diff --git a/test/core/security/jwt_verifier_test.c b/test/core/security/jwt_verifier_test.c
index 36b331a777..ce2ee04c99 100644
--- a/test/core/security/jwt_verifier_test.c
+++ b/test/core/security/jwt_verifier_test.c
@@ -181,7 +181,7 @@ typedef struct {
 
 static void test_claims_success(void) {
   grpc_jwt_claims *claims;
-  gpr_slice s = gpr_slice_from_copied_string(claims_without_time_constraint);
+  grpc_slice s = grpc_slice_from_copied_string(claims_without_time_constraint);
   grpc_json *json = grpc_json_parse_string_with_len(
       (char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s));
   GPR_ASSERT(json != NULL);
@@ -199,7 +199,7 @@ static void test_claims_success(void) {
 
 static void test_expired_claims_failure(void) {
   grpc_jwt_claims *claims;
-  gpr_slice s = gpr_slice_from_copied_string(expired_claims);
+  grpc_slice s = grpc_slice_from_copied_string(expired_claims);
   grpc_json *json = grpc_json_parse_string_with_len(
       (char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s));
   gpr_timespec exp_iat = {100, 0, GPR_CLOCK_REALTIME};
@@ -223,7 +223,7 @@ static void test_expired_claims_failure(void) {
 }
 
 static void test_invalid_claims_failure(void) {
-  gpr_slice s = gpr_slice_from_copied_string(invalid_claims);
+  grpc_slice s = grpc_slice_from_copied_string(invalid_claims);
   grpc_json *json = grpc_json_parse_string_with_len(
       (char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s));
   GPR_ASSERT(grpc_jwt_claims_from_json(json, s) == NULL);
@@ -231,7 +231,7 @@ static void test_invalid_claims_failure(void) {
 
 static void test_bad_audience_claims_failure(void) {
   grpc_jwt_claims *claims;
-  gpr_slice s = gpr_slice_from_copied_string(claims_without_time_constraint);
+  grpc_slice s = grpc_slice_from_copied_string(claims_without_time_constraint);
   grpc_json *json = grpc_json_parse_string_with_len(
       (char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s));
   GPR_ASSERT(json != NULL);
@@ -478,7 +478,7 @@ static void test_jwt_verifier_bad_json_key(void) {
 }
 
 static void corrupt_jwt_sig(char *jwt) {
-  gpr_slice sig;
+  grpc_slice sig;
   char *bad_b64_sig;
   uint8_t *sig_bytes;
   char *last_dot = strrchr(jwt, '.');
@@ -491,7 +491,7 @@ static void corrupt_jwt_sig(char *jwt) {
       grpc_base64_encode(GPR_SLICE_START_PTR(sig), GPR_SLICE_LENGTH(sig), 1, 0);
   memcpy(last_dot + 1, bad_b64_sig, strlen(bad_b64_sig));
   gpr_free(bad_b64_sig);
-  gpr_slice_unref(sig);
+  grpc_slice_unref(sig);
 }
 
 static void on_verification_bad_signature(void *user_data,
diff --git a/test/core/security/oauth2_utils.c b/test/core/security/oauth2_utils.c
index 9b97c38fcb..3b774fecb6 100644
--- a/test/core/security/oauth2_utils.c
+++ b/test/core/security/oauth2_utils.c
@@ -57,7 +57,7 @@ static void on_oauth2_response(grpc_exec_ctx *exec_ctx, void *user_data,
                                const char *error_details) {
   oauth2_request *request = user_data;
   char *token = NULL;
-  gpr_slice token_slice;
+  grpc_slice token_slice;
   if (status == GRPC_CREDENTIALS_ERROR) {
     gpr_log(GPR_ERROR, "Fetching token failed.");
   } else {
diff --git a/test/core/security/secure_endpoint_test.c b/test/core/security/secure_endpoint_test.c
index 2262fde98d..e12ca48c2f 100644
--- a/test/core/security/secure_endpoint_test.c
+++ b/test/core/security/secure_endpoint_test.c
@@ -49,7 +49,7 @@ static gpr_mu *g_mu;
 static grpc_pollset *g_pollset;
 
 static grpc_endpoint_test_fixture secure_endpoint_create_fixture_tcp_socketpair(
-    size_t slice_size, gpr_slice *leftover_slices, size_t leftover_nslices) {
+    size_t slice_size, grpc_slice *leftover_slices, size_t leftover_nslices) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   tsi_frame_protector *fake_read_protector = tsi_create_fake_protector(NULL);
   tsi_frame_protector *fake_write_protector = tsi_create_fake_protector(NULL);
@@ -74,9 +74,9 @@ static grpc_endpoint_test_fixture secure_endpoint_create_fixture_tcp_socketpair(
     size_t buffer_size = total_buffer_size;
     uint8_t *encrypted_buffer = gpr_malloc(buffer_size);
     uint8_t *cur = encrypted_buffer;
-    gpr_slice encrypted_leftover;
+    grpc_slice encrypted_leftover;
     for (i = 0; i < leftover_nslices; i++) {
-      gpr_slice plain = leftover_slices[i];
+      grpc_slice plain = leftover_slices[i];
       uint8_t *message_bytes = GPR_SLICE_START_PTR(plain);
       size_t message_size = GPR_SLICE_LENGTH(plain);
       while (message_size > 0) {
@@ -92,7 +92,7 @@ static grpc_endpoint_test_fixture secure_endpoint_create_fixture_tcp_socketpair(
         GPR_ASSERT(buffer_size >= protected_buffer_size_to_send);
         buffer_size -= protected_buffer_size_to_send;
       }
-      gpr_slice_unref(plain);
+      grpc_slice_unref(plain);
     }
     do {
       size_t protected_buffer_size_to_send = buffer_size;
@@ -104,11 +104,11 @@ static grpc_endpoint_test_fixture secure_endpoint_create_fixture_tcp_socketpair(
       GPR_ASSERT(buffer_size >= protected_buffer_size_to_send);
       buffer_size -= protected_buffer_size_to_send;
     } while (still_pending_size > 0);
-    encrypted_leftover = gpr_slice_from_copied_buffer(
+    encrypted_leftover = grpc_slice_from_copied_buffer(
         (const char *)encrypted_buffer, total_buffer_size - buffer_size);
     f.client_ep = grpc_secure_endpoint_create(fake_read_protector, tcp.client,
                                               &encrypted_leftover, 1);
-    gpr_slice_unref(encrypted_leftover);
+    grpc_slice_unref(encrypted_leftover);
     gpr_free(encrypted_buffer);
   }
 
@@ -125,8 +125,8 @@ secure_endpoint_create_fixture_tcp_socketpair_noleftover(size_t slice_size) {
 
 static grpc_endpoint_test_fixture
 secure_endpoint_create_fixture_tcp_socketpair_leftover(size_t slice_size) {
-  gpr_slice s =
-      gpr_slice_from_copied_string("hello world 12345678900987654321");
+  grpc_slice s =
+      grpc_slice_from_copied_string("hello world 12345678900987654321");
   grpc_endpoint_test_fixture f;
 
   f = secure_endpoint_create_fixture_tcp_socketpair(slice_size, &s, 1);
@@ -149,29 +149,29 @@ static void inc_call_ctr(grpc_exec_ctx *exec_ctx, void *arg,
 
 static void test_leftover(grpc_endpoint_test_config config, size_t slice_size) {
   grpc_endpoint_test_fixture f = config.create_fixture(slice_size);
-  gpr_slice_buffer incoming;
-  gpr_slice s =
-      gpr_slice_from_copied_string("hello world 12345678900987654321");
+  grpc_slice_buffer incoming;
+  grpc_slice s =
+      grpc_slice_from_copied_string("hello world 12345678900987654321");
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   int n = 0;
   grpc_closure done_closure;
   gpr_log(GPR_INFO, "Start test left over");
 
-  gpr_slice_buffer_init(&incoming);
+  grpc_slice_buffer_init(&incoming);
   grpc_closure_init(&done_closure, inc_call_ctr, &n);
   grpc_endpoint_read(&exec_ctx, f.client_ep, &incoming, &done_closure);
   grpc_exec_ctx_finish(&exec_ctx);
   GPR_ASSERT(n == 1);
   GPR_ASSERT(incoming.count == 1);
-  GPR_ASSERT(0 == gpr_slice_cmp(s, incoming.slices[0]));
+  GPR_ASSERT(0 == grpc_slice_cmp(s, incoming.slices[0]));
 
   grpc_endpoint_shutdown(&exec_ctx, f.client_ep);
   grpc_endpoint_shutdown(&exec_ctx, f.server_ep);
   grpc_endpoint_destroy(&exec_ctx, f.client_ep);
   grpc_endpoint_destroy(&exec_ctx, f.server_ep);
   grpc_exec_ctx_finish(&exec_ctx);
-  gpr_slice_unref(s);
-  gpr_slice_buffer_destroy(&incoming);
+  grpc_slice_unref(s);
+  grpc_slice_buffer_destroy(&incoming);
 
   clean_up();
 }
diff --git a/test/core/security/security_connector_test.c b/test/core/security/security_connector_test.c
index 6106bec9d3..4692db1853 100644
--- a/test/core/security/security_connector_test.c
+++ b/test/core/security/security_connector_test.c
@@ -368,9 +368,9 @@ static void test_default_ssl_roots(void) {
      value. */
   gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, "");
   grpc_set_ssl_roots_override_callback(override_roots_success);
-  gpr_slice roots = grpc_get_default_ssl_roots_for_testing();
+  grpc_slice roots = grpc_get_default_ssl_roots_for_testing();
   char *roots_contents = gpr_dump_slice(roots, GPR_DUMP_ASCII);
-  gpr_slice_unref(roots);
+  grpc_slice_unref(roots);
   GPR_ASSERT(strcmp(roots_contents, roots_for_override_api) == 0);
   gpr_free(roots_contents);
 
@@ -379,7 +379,7 @@ static void test_default_ssl_roots(void) {
   gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, roots_env_var_file_path);
   roots = grpc_get_default_ssl_roots_for_testing();
   roots_contents = gpr_dump_slice(roots, GPR_DUMP_ASCII);
-  gpr_slice_unref(roots);
+  grpc_slice_unref(roots);
   GPR_ASSERT(strcmp(roots_contents, roots_for_env_var) == 0);
   gpr_free(roots_contents);
 
@@ -388,7 +388,7 @@ static void test_default_ssl_roots(void) {
   gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, "");
   roots = grpc_get_default_ssl_roots_for_testing();
   roots_contents = gpr_dump_slice(roots, GPR_DUMP_ASCII);
-  gpr_slice_unref(roots);
+  grpc_slice_unref(roots);
   GPR_ASSERT(strcmp(roots_contents, roots_for_override_api) == 0);
   gpr_free(roots_contents);
 
diff --git a/test/core/support/percent_decode_corpus/04cb8ccc553f9b2f5e52c421aff6d1c954d3dae6 b/test/core/slice/percent_decode_corpus/04cb8ccc553f9b2f5e52c421aff6d1c954d3dae6
index a0c7605580..a0c7605580 100644
--- a/test/core/support/percent_decode_corpus/04cb8ccc553f9b2f5e52c421aff6d1c954d3dae6
+++ b/test/core/slice/percent_decode_corpus/04cb8ccc553f9b2f5e52c421aff6d1c954d3dae6
diff --git a/test/core/support/percent_decode_corpus/0dd8f3a63745b3a2d39791559b5c1b311447b537 b/test/core/slice/percent_decode_corpus/0dd8f3a63745b3a2d39791559b5c1b311447b537
index 8b36124b3f..8b36124b3f 100644
--- a/test/core/support/percent_decode_corpus/0dd8f3a63745b3a2d39791559b5c1b311447b537
+++ b/test/core/slice/percent_decode_corpus/0dd8f3a63745b3a2d39791559b5c1b311447b537
diff --git a/test/core/support/percent_decode_corpus/17eeaca784409adbe43365c32ac87915d736bba3 b/test/core/slice/percent_decode_corpus/17eeaca784409adbe43365c32ac87915d736bba3
index ea02afac49..ea02afac49 100644
--- a/test/core/support/percent_decode_corpus/17eeaca784409adbe43365c32ac87915d736bba3
+++ b/test/core/slice/percent_decode_corpus/17eeaca784409adbe43365c32ac87915d736bba3
diff --git a/test/core/support/percent_decode_corpus/2040c1ff65f52a7ae668c2c8f324de5dacc9d695 b/test/core/slice/percent_decode_corpus/2040c1ff65f52a7ae668c2c8f324de5dacc9d695
index 9e9b466b2f..9e9b466b2f 100644
--- a/test/core/support/percent_decode_corpus/2040c1ff65f52a7ae668c2c8f324de5dacc9d695
+++ b/test/core/slice/percent_decode_corpus/2040c1ff65f52a7ae668c2c8f324de5dacc9d695
diff --git a/test/core/support/percent_decode_corpus/26b0d1da23027ae54db96e125e4a9e98842d77fb b/test/core/slice/percent_decode_corpus/26b0d1da23027ae54db96e125e4a9e98842d77fb
index 88c739ecaa..88c739ecaa 100644
--- a/test/core/support/percent_decode_corpus/26b0d1da23027ae54db96e125e4a9e98842d77fb
+++ b/test/core/slice/percent_decode_corpus/26b0d1da23027ae54db96e125e4a9e98842d77fb
diff --git a/test/core/support/percent_decode_corpus/2a089c0db45acdb4c6ed8e7ff81ca7235792c0b9 b/test/core/slice/percent_decode_corpus/2a089c0db45acdb4c6ed8e7ff81ca7235792c0b9
index 5e6f546ff5..5e6f546ff5 100644
--- a/test/core/support/percent_decode_corpus/2a089c0db45acdb4c6ed8e7ff81ca7235792c0b9
+++ b/test/core/slice/percent_decode_corpus/2a089c0db45acdb4c6ed8e7ff81ca7235792c0b9
diff --git a/test/core/support/percent_decode_corpus/35b7b3bc3a740d5c3abca0d75b53f0e1e1ee998a b/test/core/slice/percent_decode_corpus/35b7b3bc3a740d5c3abca0d75b53f0e1e1ee998a
index 71d688b694..71d688b694 100644
--- a/test/core/support/percent_decode_corpus/35b7b3bc3a740d5c3abca0d75b53f0e1e1ee998a
+++ b/test/core/slice/percent_decode_corpus/35b7b3bc3a740d5c3abca0d75b53f0e1e1ee998a
diff --git a/test/core/support/percent_decode_corpus/36367ba1adba47a1cbc3a88707fde8cc7abdc248 b/test/core/slice/percent_decode_corpus/36367ba1adba47a1cbc3a88707fde8cc7abdc248
index 5a89a07ba7..5a89a07ba7 100644
--- a/test/core/support/percent_decode_corpus/36367ba1adba47a1cbc3a88707fde8cc7abdc248
+++ b/test/core/slice/percent_decode_corpus/36367ba1adba47a1cbc3a88707fde8cc7abdc248
diff --git a/test/core/support/percent_decode_corpus/39c2ba51548a0beaf0d6d1164531f1447dc311b5 b/test/core/slice/percent_decode_corpus/39c2ba51548a0beaf0d6d1164531f1447dc311b5
index cfa2be994f..cfa2be994f 100644
--- a/test/core/support/percent_decode_corpus/39c2ba51548a0beaf0d6d1164531f1447dc311b5
+++ b/test/core/slice/percent_decode_corpus/39c2ba51548a0beaf0d6d1164531f1447dc311b5
diff --git a/test/core/support/percent_decode_corpus/56d08fea787c041395c6697ce26cfbc0decbe688 b/test/core/slice/percent_decode_corpus/56d08fea787c041395c6697ce26cfbc0decbe688
index c1ddf65acd..c1ddf65acd 100644
--- a/test/core/support/percent_decode_corpus/56d08fea787c041395c6697ce26cfbc0decbe688
+++ b/test/core/slice/percent_decode_corpus/56d08fea787c041395c6697ce26cfbc0decbe688
diff --git a/test/core/support/percent_decode_corpus/678d981fdabb9f0d6640235cf1719dd1e1e66ae9 b/test/core/slice/percent_decode_corpus/678d981fdabb9f0d6640235cf1719dd1e1e66ae9
index dc427d1e12..dc427d1e12 100644
--- a/test/core/support/percent_decode_corpus/678d981fdabb9f0d6640235cf1719dd1e1e66ae9
+++ b/test/core/slice/percent_decode_corpus/678d981fdabb9f0d6640235cf1719dd1e1e66ae9
diff --git a/test/core/support/percent_decode_corpus/68751961609ec010565de0aa87521dcbf0722c5d b/test/core/slice/percent_decode_corpus/68751961609ec010565de0aa87521dcbf0722c5d
index 154449d0ef..154449d0ef 100644
--- a/test/core/support/percent_decode_corpus/68751961609ec010565de0aa87521dcbf0722c5d
+++ b/test/core/slice/percent_decode_corpus/68751961609ec010565de0aa87521dcbf0722c5d
diff --git a/test/core/support/percent_decode_corpus/7875c06c6f03c9aa2f8e9c59f8d8957c8a32e759 b/test/core/slice/percent_decode_corpus/7875c06c6f03c9aa2f8e9c59f8d8957c8a32e759
index 841ced83c3..841ced83c3 100644
--- a/test/core/support/percent_decode_corpus/7875c06c6f03c9aa2f8e9c59f8d8957c8a32e759
+++ b/test/core/slice/percent_decode_corpus/7875c06c6f03c9aa2f8e9c59f8d8957c8a32e759
diff --git a/test/core/support/percent_decode_corpus/7b302090e090a5829b6d1dd7be30bd4e36a7e60f b/test/core/slice/percent_decode_corpus/7b302090e090a5829b6d1dd7be30bd4e36a7e60f
index 6790bc2798..6790bc2798 100644
--- a/test/core/support/percent_decode_corpus/7b302090e090a5829b6d1dd7be30bd4e36a7e60f
+++ b/test/core/slice/percent_decode_corpus/7b302090e090a5829b6d1dd7be30bd4e36a7e60f
diff --git a/test/core/support/percent_decode_corpus/875e1022169c9e4c541a9ad894e69e989df22ba1 b/test/core/slice/percent_decode_corpus/875e1022169c9e4c541a9ad894e69e989df22ba1
index 1625d0a1ae..1625d0a1ae 100644
--- a/test/core/support/percent_decode_corpus/875e1022169c9e4c541a9ad894e69e989df22ba1
+++ b/test/core/slice/percent_decode_corpus/875e1022169c9e4c541a9ad894e69e989df22ba1
diff --git a/test/core/support/percent_decode_corpus/8c1051ce066f5a26de9a9d133180621d0da957b4 b/test/core/slice/percent_decode_corpus/8c1051ce066f5a26de9a9d133180621d0da957b4
index 125c330b3e..125c330b3e 100644
--- a/test/core/support/percent_decode_corpus/8c1051ce066f5a26de9a9d133180621d0da957b4
+++ b/test/core/slice/percent_decode_corpus/8c1051ce066f5a26de9a9d133180621d0da957b4
diff --git a/test/core/support/percent_decode_corpus/8e084e628ab83a18ac7ca7cb3506525263655c63 b/test/core/slice/percent_decode_corpus/8e084e628ab83a18ac7ca7cb3506525263655c63
index 6e6f08cb07..6e6f08cb07 100644
--- a/test/core/support/percent_decode_corpus/8e084e628ab83a18ac7ca7cb3506525263655c63
+++ b/test/core/slice/percent_decode_corpus/8e084e628ab83a18ac7ca7cb3506525263655c63
diff --git a/test/core/support/percent_decode_corpus/9d316c4675f40ddccaf8f1cc7aea94170b1e4223 b/test/core/slice/percent_decode_corpus/9d316c4675f40ddccaf8f1cc7aea94170b1e4223
index ab4a1c7657..ab4a1c7657 100644
--- a/test/core/support/percent_decode_corpus/9d316c4675f40ddccaf8f1cc7aea94170b1e4223
+++ b/test/core/slice/percent_decode_corpus/9d316c4675f40ddccaf8f1cc7aea94170b1e4223
diff --git a/test/core/support/percent_decode_corpus/ad1c7c11d18a7d116e2c2ef4d4c5afb1270836ae b/test/core/slice/percent_decode_corpus/ad1c7c11d18a7d116e2c2ef4d4c5afb1270836ae
index 4ac1945a84..4ac1945a84 100644
--- a/test/core/support/percent_decode_corpus/ad1c7c11d18a7d116e2c2ef4d4c5afb1270836ae
+++ b/test/core/slice/percent_decode_corpus/ad1c7c11d18a7d116e2c2ef4d4c5afb1270836ae
diff --git a/test/core/support/percent_decode_corpus/b471f94aa4facf502e622e4a248f1ba4063ae681 b/test/core/slice/percent_decode_corpus/b471f94aa4facf502e622e4a248f1ba4063ae681
index 5c673ae28a..5c673ae28a 100644
--- a/test/core/support/percent_decode_corpus/b471f94aa4facf502e622e4a248f1ba4063ae681
+++ b/test/core/slice/percent_decode_corpus/b471f94aa4facf502e622e4a248f1ba4063ae681
diff --git a/test/core/support/percent_decode_corpus/bf52ece030f16136d46e0dc97f58d60a0d8a1f0b b/test/core/slice/percent_decode_corpus/bf52ece030f16136d46e0dc97f58d60a0d8a1f0b
index e478275ed4..e478275ed4 100644
--- a/test/core/support/percent_decode_corpus/bf52ece030f16136d46e0dc97f58d60a0d8a1f0b
+++ b/test/core/slice/percent_decode_corpus/bf52ece030f16136d46e0dc97f58d60a0d8a1f0b
diff --git a/test/core/support/percent_decode_corpus/d5b2a7177339ba2b7ce2f60e5f4459bef1e72758 b/test/core/slice/percent_decode_corpus/d5b2a7177339ba2b7ce2f60e5f4459bef1e72758
index c73cbfe8af..c73cbfe8af 100644
--- a/test/core/support/percent_decode_corpus/d5b2a7177339ba2b7ce2f60e5f4459bef1e72758
+++ b/test/core/slice/percent_decode_corpus/d5b2a7177339ba2b7ce2f60e5f4459bef1e72758
diff --git a/test/core/support/percent_decode_corpus/de867b64c54a7ed773dc611fc5cd2f17c5433113 b/test/core/slice/percent_decode_corpus/de867b64c54a7ed773dc611fc5cd2f17c5433113
index f9f7246e9c..f9f7246e9c 100644
--- a/test/core/support/percent_decode_corpus/de867b64c54a7ed773dc611fc5cd2f17c5433113
+++ b/test/core/slice/percent_decode_corpus/de867b64c54a7ed773dc611fc5cd2f17c5433113
diff --git a/test/core/support/percent_decode_corpus/e3948dbe004950591630dd5c52f4e0fcbd5e388a b/test/core/slice/percent_decode_corpus/e3948dbe004950591630dd5c52f4e0fcbd5e388a
index 83ac46d833..83ac46d833 100644
--- a/test/core/support/percent_decode_corpus/e3948dbe004950591630dd5c52f4e0fcbd5e388a
+++ b/test/core/slice/percent_decode_corpus/e3948dbe004950591630dd5c52f4e0fcbd5e388a
diff --git a/test/core/support/percent_decode_corpus/e7064f0b80f61dbc65915311032d27baa569ae2a b/test/core/slice/percent_decode_corpus/e7064f0b80f61dbc65915311032d27baa569ae2a
index e8a0f87653..e8a0f87653 100644
--- a/test/core/support/percent_decode_corpus/e7064f0b80f61dbc65915311032d27baa569ae2a
+++ b/test/core/slice/percent_decode_corpus/e7064f0b80f61dbc65915311032d27baa569ae2a
diff --git a/test/core/support/percent_decode_corpus/xyz b/test/core/slice/percent_decode_corpus/xyz
index cd470e6190..cd470e6190 100644
--- a/test/core/support/percent_decode_corpus/xyz
+++ b/test/core/slice/percent_decode_corpus/xyz
diff --git a/test/core/support/percent_decode_fuzzer.c b/test/core/slice/percent_decode_fuzzer.c
index 3e02980e05..69d74816a7 100644
--- a/test/core/support/percent_decode_fuzzer.c
+++ b/test/core/slice/percent_decode_fuzzer.c
@@ -47,18 +47,18 @@ bool leak_check = true;
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   struct grpc_memory_counters counters;
   grpc_memory_counters_init();
-  gpr_slice input = gpr_slice_from_copied_buffer((const char *)data, size);
-  gpr_slice output;
+  grpc_slice input = grpc_slice_from_copied_buffer((const char *)data, size);
+  grpc_slice output;
   if (gpr_strict_percent_decode_slice(
           input, gpr_url_percent_encoding_unreserved_bytes, &output)) {
-    gpr_slice_unref(output);
+    grpc_slice_unref(output);
   }
   if (gpr_strict_percent_decode_slice(
           input, gpr_compatible_percent_encoding_unreserved_bytes, &output)) {
-    gpr_slice_unref(output);
+    grpc_slice_unref(output);
   }
-  gpr_slice_unref(gpr_permissive_percent_decode_slice(input));
-  gpr_slice_unref(input);
+  grpc_slice_unref(gpr_permissive_percent_decode_slice(input));
+  grpc_slice_unref(input);
   counters = grpc_memory_counters_snapshot();
   grpc_memory_counters_destroy();
   GPR_ASSERT(counters.total_size_relative == 0);
diff --git a/test/core/support/percent_encode_corpus/0d3ee7fa54e6c66103965fd4409b044ba7db6c3f b/test/core/slice/percent_encode_corpus/0d3ee7fa54e6c66103965fd4409b044ba7db6c3f
index d09c4a039c..d09c4a039c 100644
--- a/test/core/support/percent_encode_corpus/0d3ee7fa54e6c66103965fd4409b044ba7db6c3f
+++ b/test/core/slice/percent_encode_corpus/0d3ee7fa54e6c66103965fd4409b044ba7db6c3f
diff --git a/test/core/support/percent_encode_corpus/2e7ccf75e27b9501e3b28cf1c50ed0c45ab7c226 b/test/core/slice/percent_encode_corpus/2e7ccf75e27b9501e3b28cf1c50ed0c45ab7c226
index 4d0c38d0e2..4d0c38d0e2 100644
--- a/test/core/support/percent_encode_corpus/2e7ccf75e27b9501e3b28cf1c50ed0c45ab7c226
+++ b/test/core/slice/percent_encode_corpus/2e7ccf75e27b9501e3b28cf1c50ed0c45ab7c226
diff --git a/test/core/support/percent_encode_corpus/55bb859f3942c462b03b7cbcf22ab4a0ac9705cf b/test/core/slice/percent_encode_corpus/55bb859f3942c462b03b7cbcf22ab4a0ac9705cf
index fc6e93342a..fc6e93342a 100644
--- a/test/core/support/percent_encode_corpus/55bb859f3942c462b03b7cbcf22ab4a0ac9705cf
+++ b/test/core/slice/percent_encode_corpus/55bb859f3942c462b03b7cbcf22ab4a0ac9705cf
diff --git a/test/core/support/percent_encode_corpus/56070cecd54c845b6d4334953b17b712eb000d93 b/test/core/slice/percent_encode_corpus/56070cecd54c845b6d4334953b17b712eb000d93
index 6823c73f76..6823c73f76 100644
--- a/test/core/support/percent_encode_corpus/56070cecd54c845b6d4334953b17b712eb000d93
+++ b/test/core/slice/percent_encode_corpus/56070cecd54c845b6d4334953b17b712eb000d93
diff --git a/test/core/support/percent_encode_corpus/61f50e891bf7ff5eb7a7af206f1e25d77f8756e7 b/test/core/slice/percent_encode_corpus/61f50e891bf7ff5eb7a7af206f1e25d77f8756e7
index a65cbb4d5b..a65cbb4d5b 100644
--- a/test/core/support/percent_encode_corpus/61f50e891bf7ff5eb7a7af206f1e25d77f8756e7
+++ b/test/core/slice/percent_encode_corpus/61f50e891bf7ff5eb7a7af206f1e25d77f8756e7
diff --git a/test/core/support/percent_encode_corpus/6e0c60cefc704c7940e475a87dd9ae423061cb5a b/test/core/slice/percent_encode_corpus/6e0c60cefc704c7940e475a87dd9ae423061cb5a
index 8d031d7e2d..8d031d7e2d 100644
--- a/test/core/support/percent_encode_corpus/6e0c60cefc704c7940e475a87dd9ae423061cb5a
+++ b/test/core/slice/percent_encode_corpus/6e0c60cefc704c7940e475a87dd9ae423061cb5a
diff --git a/test/core/support/percent_encode_corpus/7271ebcc6d22a0f186f7bc3c1973a7ed1bec8d8e b/test/core/slice/percent_encode_corpus/7271ebcc6d22a0f186f7bc3c1973a7ed1bec8d8e
index 4d82ca3953..4d82ca3953 100644
--- a/test/core/support/percent_encode_corpus/7271ebcc6d22a0f186f7bc3c1973a7ed1bec8d8e
+++ b/test/core/slice/percent_encode_corpus/7271ebcc6d22a0f186f7bc3c1973a7ed1bec8d8e
diff --git a/test/core/support/percent_encode_corpus/74c83ece3e2920a67593a9be9c82468f16cbb969 b/test/core/slice/percent_encode_corpus/74c83ece3e2920a67593a9be9c82468f16cbb969
index bb7f4ae07e..bb7f4ae07e 100644
--- a/test/core/support/percent_encode_corpus/74c83ece3e2920a67593a9be9c82468f16cbb969
+++ b/test/core/slice/percent_encode_corpus/74c83ece3e2920a67593a9be9c82468f16cbb969
diff --git a/test/core/support/percent_encode_corpus/98e004fd2a9f141a7a019720820080e12d637c06 b/test/core/slice/percent_encode_corpus/98e004fd2a9f141a7a019720820080e12d637c06
index 50879d0f37..50879d0f37 100644
--- a/test/core/support/percent_encode_corpus/98e004fd2a9f141a7a019720820080e12d637c06
+++ b/test/core/slice/percent_encode_corpus/98e004fd2a9f141a7a019720820080e12d637c06
diff --git a/test/core/support/percent_encode_corpus/ba2c1e98227aa21ea3bb2ca4d0e504119717da8b b/test/core/slice/percent_encode_corpus/ba2c1e98227aa21ea3bb2ca4d0e504119717da8b
index dc1ab9bfc2..dc1ab9bfc2 100644
--- a/test/core/support/percent_encode_corpus/ba2c1e98227aa21ea3bb2ca4d0e504119717da8b
+++ b/test/core/slice/percent_encode_corpus/ba2c1e98227aa21ea3bb2ca4d0e504119717da8b
diff --git a/test/core/support/percent_encode_corpus/c16b9fd45370d4afb5d3ebd307a6e263c25ffd45 b/test/core/slice/percent_encode_corpus/c16b9fd45370d4afb5d3ebd307a6e263c25ffd45
index 3476e0b70b..3476e0b70b 100644
--- a/test/core/support/percent_encode_corpus/c16b9fd45370d4afb5d3ebd307a6e263c25ffd45
+++ b/test/core/slice/percent_encode_corpus/c16b9fd45370d4afb5d3ebd307a6e263c25ffd45
diff --git a/test/core/support/percent_encode_corpus/d58c3cd4eab9b6d2343abfa1c25c90a383fe0ec3 b/test/core/slice/percent_encode_corpus/d58c3cd4eab9b6d2343abfa1c25c90a383fe0ec3
index 822d50abf8..822d50abf8 100644
--- a/test/core/support/percent_encode_corpus/d58c3cd4eab9b6d2343abfa1c25c90a383fe0ec3
+++ b/test/core/slice/percent_encode_corpus/d58c3cd4eab9b6d2343abfa1c25c90a383fe0ec3
diff --git a/test/core/support/percent_encode_corpus/e2619218ede30d2b7b8ecd601a9f0ae754b728b4 b/test/core/slice/percent_encode_corpus/e2619218ede30d2b7b8ecd601a9f0ae754b728b4
index 101639c93d..101639c93d 100644
--- a/test/core/support/percent_encode_corpus/e2619218ede30d2b7b8ecd601a9f0ae754b728b4
+++ b/test/core/slice/percent_encode_corpus/e2619218ede30d2b7b8ecd601a9f0ae754b728b4
diff --git a/test/core/support/percent_encode_corpus/f93b3653e453f0e3eea3198001be6ce46e64bd21 b/test/core/slice/percent_encode_corpus/f93b3653e453f0e3eea3198001be6ce46e64bd21
index 6e07ab342f..6e07ab342f 100644
--- a/test/core/support/percent_encode_corpus/f93b3653e453f0e3eea3198001be6ce46e64bd21
+++ b/test/core/slice/percent_encode_corpus/f93b3653e453f0e3eea3198001be6ce46e64bd21
diff --git a/test/core/support/percent_encode_corpus/fd41d029c7682ad3d1c40a9fd017a4c85b673a54 b/test/core/slice/percent_encode_corpus/fd41d029c7682ad3d1c40a9fd017a4c85b673a54
index 13d7fab596..13d7fab596 100644
--- a/test/core/support/percent_encode_corpus/fd41d029c7682ad3d1c40a9fd017a4c85b673a54
+++ b/test/core/slice/percent_encode_corpus/fd41d029c7682ad3d1c40a9fd017a4c85b673a54
diff --git a/test/core/support/percent_encode_corpus/xyz b/test/core/slice/percent_encode_corpus/xyz
index cd470e6190..cd470e6190 100644
--- a/test/core/support/percent_encode_corpus/xyz
+++ b/test/core/slice/percent_encode_corpus/xyz
diff --git a/test/core/support/percent_encode_fuzzer.c b/test/core/slice/percent_encode_fuzzer.c
index c9548232b5..99599bf16e 100644
--- a/test/core/support/percent_encode_fuzzer.c
+++ b/test/core/slice/percent_encode_fuzzer.c
@@ -47,20 +47,20 @@ bool leak_check = true;
 static void test(const uint8_t *data, size_t size, const uint8_t *dict) {
   struct grpc_memory_counters counters;
   grpc_memory_counters_init();
-  gpr_slice input = gpr_slice_from_copied_buffer((const char *)data, size);
-  gpr_slice output = gpr_percent_encode_slice(input, dict);
-  gpr_slice decoded_output;
+  grpc_slice input = grpc_slice_from_copied_buffer((const char *)data, size);
+  grpc_slice output = gpr_percent_encode_slice(input, dict);
+  grpc_slice decoded_output;
   // encoder must always produce decodable output
   GPR_ASSERT(gpr_strict_percent_decode_slice(output, dict, &decoded_output));
-  gpr_slice permissive_decoded_output =
+  grpc_slice permissive_decoded_output =
       gpr_permissive_percent_decode_slice(output);
   // and decoded output must always match the input
-  GPR_ASSERT(gpr_slice_cmp(input, decoded_output) == 0);
-  GPR_ASSERT(gpr_slice_cmp(input, permissive_decoded_output) == 0);
-  gpr_slice_unref(input);
-  gpr_slice_unref(output);
-  gpr_slice_unref(decoded_output);
-  gpr_slice_unref(permissive_decoded_output);
+  GPR_ASSERT(grpc_slice_cmp(input, decoded_output) == 0);
+  GPR_ASSERT(grpc_slice_cmp(input, permissive_decoded_output) == 0);
+  grpc_slice_unref(input);
+  grpc_slice_unref(output);
+  grpc_slice_unref(decoded_output);
+  grpc_slice_unref(permissive_decoded_output);
   counters = grpc_memory_counters_snapshot();
   grpc_memory_counters_destroy();
   GPR_ASSERT(counters.total_size_relative == 0);
diff --git a/test/core/support/percent_encoding_test.c b/test/core/slice/percent_encoding_test.c
index ab5f3f2d14..e9ba8f5ec4 100644
--- a/test/core/support/percent_encoding_test.c
+++ b/test/core/slice/percent_encoding_test.c
@@ -56,14 +56,14 @@ static void test_vector(const char *raw, size_t raw_length, const char *encoded,
   gpr_free(raw_msg);
   gpr_free(encoded_msg);
 
-  gpr_slice raw_slice = gpr_slice_from_copied_buffer(raw, raw_length);
-  gpr_slice encoded_slice =
-      gpr_slice_from_copied_buffer(encoded, encoded_length);
-  gpr_slice raw2encoded_slice = gpr_percent_encode_slice(raw_slice, dict);
-  gpr_slice encoded2raw_slice;
+  grpc_slice raw_slice = grpc_slice_from_copied_buffer(raw, raw_length);
+  grpc_slice encoded_slice =
+      grpc_slice_from_copied_buffer(encoded, encoded_length);
+  grpc_slice raw2encoded_slice = gpr_percent_encode_slice(raw_slice, dict);
+  grpc_slice encoded2raw_slice;
   GPR_ASSERT(
       gpr_strict_percent_decode_slice(encoded_slice, dict, &encoded2raw_slice));
-  gpr_slice encoded2raw_permissive_slice =
+  grpc_slice encoded2raw_permissive_slice =
       gpr_permissive_percent_decode_slice(encoded_slice);
 
   char *raw2encoded_msg =
@@ -80,15 +80,15 @@ static void test_vector(const char *raw, size_t raw_length, const char *encoded,
   gpr_free(encoded2raw_msg);
   gpr_free(encoded2raw_permissive_msg);
 
-  GPR_ASSERT(0 == gpr_slice_cmp(raw_slice, encoded2raw_slice));
-  GPR_ASSERT(0 == gpr_slice_cmp(raw_slice, encoded2raw_permissive_slice));
-  GPR_ASSERT(0 == gpr_slice_cmp(encoded_slice, raw2encoded_slice));
+  GPR_ASSERT(0 == grpc_slice_cmp(raw_slice, encoded2raw_slice));
+  GPR_ASSERT(0 == grpc_slice_cmp(raw_slice, encoded2raw_permissive_slice));
+  GPR_ASSERT(0 == grpc_slice_cmp(encoded_slice, raw2encoded_slice));
 
-  gpr_slice_unref(encoded2raw_slice);
-  gpr_slice_unref(encoded2raw_permissive_slice);
-  gpr_slice_unref(raw2encoded_slice);
-  gpr_slice_unref(raw_slice);
-  gpr_slice_unref(encoded_slice);
+  grpc_slice_unref(encoded2raw_slice);
+  grpc_slice_unref(encoded2raw_permissive_slice);
+  grpc_slice_unref(raw2encoded_slice);
+  grpc_slice_unref(raw_slice);
+  grpc_slice_unref(encoded_slice);
 }
 
 static void test_nonconformant_vector(const char *encoded,
@@ -106,14 +106,14 @@ static void test_nonconformant_vector(const char *encoded,
   gpr_free(permissive_unencoded_msg);
   gpr_free(encoded_msg);
 
-  gpr_slice permissive_unencoded_slice = gpr_slice_from_copied_buffer(
+  grpc_slice permissive_unencoded_slice = grpc_slice_from_copied_buffer(
       permissive_unencoded, permissive_unencoded_length);
-  gpr_slice encoded_slice =
-      gpr_slice_from_copied_buffer(encoded, encoded_length);
-  gpr_slice encoded2raw_slice;
+  grpc_slice encoded_slice =
+      grpc_slice_from_copied_buffer(encoded, encoded_length);
+  grpc_slice encoded2raw_slice;
   GPR_ASSERT(!gpr_strict_percent_decode_slice(encoded_slice, dict,
                                               &encoded2raw_slice));
-  gpr_slice encoded2raw_permissive_slice =
+  grpc_slice encoded2raw_permissive_slice =
       gpr_permissive_percent_decode_slice(encoded_slice);
 
   char *encoded2raw_permissive_msg = gpr_dump_slice(
@@ -122,12 +122,12 @@ static void test_nonconformant_vector(const char *encoded,
           encoded2raw_permissive_msg);
   gpr_free(encoded2raw_permissive_msg);
 
-  GPR_ASSERT(0 == gpr_slice_cmp(permissive_unencoded_slice,
+  GPR_ASSERT(0 == grpc_slice_cmp(permissive_unencoded_slice,
                                 encoded2raw_permissive_slice));
 
-  gpr_slice_unref(permissive_unencoded_slice);
-  gpr_slice_unref(encoded2raw_permissive_slice);
-  gpr_slice_unref(encoded_slice);
+  grpc_slice_unref(permissive_unencoded_slice);
+  grpc_slice_unref(encoded2raw_permissive_slice);
+  grpc_slice_unref(encoded_slice);
 }
 
 int main(int argc, char **argv) {
diff --git a/test/core/support/slice_buffer_test.c b/test/core/slice/slice_buffer_test.c
index cf2da84c2b..9c55a5c473 100644
--- a/test/core/support/slice_buffer_test.c
+++ b/test/core/slice/slice_buffer_test.c
@@ -36,67 +36,67 @@
 #include "test/core/util/test_config.h"
 
 void test_slice_buffer_add() {
-  gpr_slice_buffer buf;
-  gpr_slice aaa = gpr_slice_from_copied_string("aaa");
-  gpr_slice bb = gpr_slice_from_copied_string("bb");
+  grpc_slice_buffer buf;
+  grpc_slice aaa = grpc_slice_from_copied_string("aaa");
+  grpc_slice bb = grpc_slice_from_copied_string("bb");
   size_t i;
 
-  gpr_slice_buffer_init(&buf);
+  grpc_slice_buffer_init(&buf);
   for (i = 0; i < 10; i++) {
-    gpr_slice_ref(aaa);
-    gpr_slice_ref(bb);
-    gpr_slice_buffer_add(&buf, aaa);
-    gpr_slice_buffer_add(&buf, bb);
+    grpc_slice_ref(aaa);
+    grpc_slice_ref(bb);
+    grpc_slice_buffer_add(&buf, aaa);
+    grpc_slice_buffer_add(&buf, bb);
   }
   GPR_ASSERT(buf.count > 0);
   GPR_ASSERT(buf.length == 50);
-  gpr_slice_buffer_reset_and_unref(&buf);
+  grpc_slice_buffer_reset_and_unref(&buf);
   GPR_ASSERT(buf.count == 0);
   GPR_ASSERT(buf.length == 0);
   for (i = 0; i < 10; i++) {
-    gpr_slice_ref(aaa);
-    gpr_slice_ref(bb);
-    gpr_slice_buffer_add(&buf, aaa);
-    gpr_slice_buffer_add(&buf, bb);
+    grpc_slice_ref(aaa);
+    grpc_slice_ref(bb);
+    grpc_slice_buffer_add(&buf, aaa);
+    grpc_slice_buffer_add(&buf, bb);
   }
   GPR_ASSERT(buf.count > 0);
   GPR_ASSERT(buf.length == 50);
   for (i = 0; i < 10; i++) {
-    gpr_slice_buffer_pop(&buf);
-    gpr_slice_unref(aaa);
-    gpr_slice_unref(bb);
+    grpc_slice_buffer_pop(&buf);
+    grpc_slice_unref(aaa);
+    grpc_slice_unref(bb);
   }
   GPR_ASSERT(buf.count == 0);
   GPR_ASSERT(buf.length == 0);
-  gpr_slice_buffer_destroy(&buf);
+  grpc_slice_buffer_destroy(&buf);
 }
 
 void test_slice_buffer_move_first() {
-  gpr_slice slices[3];
-  gpr_slice_buffer src;
-  gpr_slice_buffer dst;
+  grpc_slice slices[3];
+  grpc_slice_buffer src;
+  grpc_slice_buffer dst;
   int idx = 0;
   size_t src_len = 0;
   size_t dst_len = 0;
 
-  slices[0] = gpr_slice_from_copied_string("aaa");
-  slices[1] = gpr_slice_from_copied_string("bbbb");
-  slices[2] = gpr_slice_from_copied_string("ccc");
+  slices[0] = grpc_slice_from_copied_string("aaa");
+  slices[1] = grpc_slice_from_copied_string("bbbb");
+  slices[2] = grpc_slice_from_copied_string("ccc");
 
-  gpr_slice_buffer_init(&src);
-  gpr_slice_buffer_init(&dst);
+  grpc_slice_buffer_init(&src);
+  grpc_slice_buffer_init(&dst);
   for (idx = 0; idx < 3; idx++) {
-    gpr_slice_ref(slices[idx]);
+    grpc_slice_ref(slices[idx]);
     /* For this test, it is important that we add each slice at a new
        slice index */
-    gpr_slice_buffer_add_indexed(&src, slices[idx]);
-    gpr_slice_buffer_add_indexed(&dst, slices[idx]);
+    grpc_slice_buffer_add_indexed(&src, slices[idx]);
+    grpc_slice_buffer_add_indexed(&dst, slices[idx]);
   }
 
   /* Case 1: Move more than the first slice's length from src to dst */
   src_len = src.length;
   dst_len = dst.length;
-  gpr_slice_buffer_move_first(&src, 4, &dst);
+  grpc_slice_buffer_move_first(&src, 4, &dst);
   src_len -= 4;
   dst_len += 4;
   GPR_ASSERT(src.length == src_len);
@@ -104,7 +104,7 @@ void test_slice_buffer_move_first() {
 
   /* src now has two slices ["bbb"] and  ["ccc"] */
   /* Case 2: Move the first slice from src to dst */
-  gpr_slice_buffer_move_first(&src, 3, &dst);
+  grpc_slice_buffer_move_first(&src, 3, &dst);
   src_len -= 3;
   dst_len += 3;
   GPR_ASSERT(src.length == src_len);
@@ -112,7 +112,7 @@ void test_slice_buffer_move_first() {
 
   /* src now has one slice ["ccc"] */
   /* Case 3: Move less than the first slice's length from src to dst*/
-  gpr_slice_buffer_move_first(&src, 2, &dst);
+  grpc_slice_buffer_move_first(&src, 2, &dst);
   src_len -= 2;
   dst_len += 2;
   GPR_ASSERT(src.length == src.length);
diff --git a/test/core/slice/slice_string_helpers_test.c b/test/core/slice/slice_string_helpers_test.c
new file mode 100644
index 0000000000..d3dbb1e7f9
--- /dev/null
+++ b/test/core/slice/slice_string_helpers_test.c
@@ -0,0 +1,148 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/support/string.h"
+
+#include <limits.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/useful.h>
+#include "test/core/util/test_config.h"
+
+#define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x)
+
+static void expect_slice_dump(grpc_slice slice, uint32_t flags,
+                              const char *result) {
+  char *got = gpr_dump_slice(slice, flags);
+  GPR_ASSERT(0 == strcmp(got, result));
+  gpr_free(got);
+  grpc_slice_unref(slice);
+}
+
+static void test_dump_slice(void) {
+  static const char *text = "HELLO WORLD!";
+  static const char *long_text =
+      "It was a bright cold day in April, and the clocks were striking "
+      "thirteen. Winston Smith, his chin nuzzled into his breast in an effort "
+      "to escape the vile wind, slipped quickly through the glass doors of "
+      "Victory Mansions, though not quickly enough to prevent a swirl of "
+      "gritty dust from entering along with him.";
+
+  LOG_TEST_NAME("test_dump_slice");
+
+  expect_slice_dump(grpc_slice_from_copied_string(text), GPR_DUMP_ASCII, text);
+  expect_slice_dump(grpc_slice_from_copied_string(long_text), GPR_DUMP_ASCII,
+                    long_text);
+  expect_slice_dump(grpc_slice_from_copied_buffer("\x01", 1), GPR_DUMP_HEX,
+                    "01");
+  expect_slice_dump(grpc_slice_from_copied_buffer("\x01", 1),
+                    GPR_DUMP_HEX | GPR_DUMP_ASCII, "01 '.'");
+}
+
+static void test_strsplit(void) {
+  grpc_slice_buffer *parts;
+  grpc_slice str;
+
+  LOG_TEST_NAME("test_strsplit");
+
+  parts = gpr_malloc(sizeof(grpc_slice_buffer));
+  grpc_slice_buffer_init(parts);
+
+  str = grpc_slice_from_copied_string("one, two, three, four");
+  grpc_slice_split(str, ", ", parts);
+  GPR_ASSERT(4 == parts->count);
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[0], "one"));
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[1], "two"));
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[2], "three"));
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[3], "four"));
+  grpc_slice_buffer_reset_and_unref(parts);
+  grpc_slice_unref(str);
+
+  /* separator not present in string */
+  str = grpc_slice_from_copied_string("one two three four");
+  grpc_slice_split(str, ", ", parts);
+  GPR_ASSERT(1 == parts->count);
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[0], "one two three four"));
+  grpc_slice_buffer_reset_and_unref(parts);
+  grpc_slice_unref(str);
+
+  /* separator at the end */
+  str = grpc_slice_from_copied_string("foo,");
+  grpc_slice_split(str, ",", parts);
+  GPR_ASSERT(2 == parts->count);
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[0], "foo"));
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[1], ""));
+  grpc_slice_buffer_reset_and_unref(parts);
+  grpc_slice_unref(str);
+
+  /* separator at the beginning */
+  str = grpc_slice_from_copied_string(",foo");
+  grpc_slice_split(str, ",", parts);
+  GPR_ASSERT(2 == parts->count);
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[0], ""));
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[1], "foo"));
+  grpc_slice_buffer_reset_and_unref(parts);
+  grpc_slice_unref(str);
+
+  /* standalone separator */
+  str = grpc_slice_from_copied_string(",");
+  grpc_slice_split(str, ",", parts);
+  GPR_ASSERT(2 == parts->count);
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[0], ""));
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[1], ""));
+  grpc_slice_buffer_reset_and_unref(parts);
+  grpc_slice_unref(str);
+
+  /* empty input */
+  str = grpc_slice_from_copied_string("");
+  grpc_slice_split(str, ", ", parts);
+  GPR_ASSERT(1 == parts->count);
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[0], ""));
+  grpc_slice_buffer_reset_and_unref(parts);
+  grpc_slice_unref(str);
+
+  grpc_slice_buffer_destroy(parts);
+  gpr_free(parts);
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+  test_dump_slice();
+  test_strsplit();
+  return 0;
+}
diff --git a/test/core/support/slice_test.c b/test/core/slice/slice_test.c
index 06c364b368..c263fe27d6 100644
--- a/test/core/support/slice_test.c
+++ b/test/core/slice/slice_test.c
@@ -42,16 +42,16 @@
 #define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x);
 
 static void test_slice_malloc_returns_something_sensible(void) {
-  /* Calls gpr_slice_create for various lengths and verifies the internals for
+  /* Calls grpc_slice_create for various lengths and verifies the internals for
      consistency. */
   size_t length;
   size_t i;
-  gpr_slice slice;
+  grpc_slice slice;
 
   LOG_TEST_NAME("test_slice_malloc_returns_something_sensible");
 
   for (length = 0; length <= 1024; length++) {
-    slice = gpr_slice_malloc(length);
+    slice = grpc_slice_malloc(length);
     /* If there is a length, slice.data must be non-NULL. If length is zero
        we don't care. */
     if (length) {
@@ -69,7 +69,7 @@ static void test_slice_malloc_returns_something_sensible(void) {
       GPR_SLICE_START_PTR(slice)[i] = (uint8_t)i;
     }
     /* And finally we must succeed in destroying the slice */
-    gpr_slice_unref(slice);
+    grpc_slice_unref(slice);
   }
 }
 
@@ -78,11 +78,11 @@ static void do_nothing(void *ignored) {}
 static void test_slice_new_returns_something_sensible(void) {
   uint8_t x;
 
-  gpr_slice slice = gpr_slice_new(&x, 1, do_nothing);
+  grpc_slice slice = grpc_slice_new(&x, 1, do_nothing);
   GPR_ASSERT(slice.refcount);
   GPR_ASSERT(slice.data.refcounted.bytes == &x);
   GPR_ASSERT(slice.data.refcounted.length == 1);
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
 }
 
 /* destroy function that sets a mark to indicate it was called. */
@@ -91,18 +91,18 @@ static void set_mark(void *p) { *((int *)p) = 1; }
 static void test_slice_new_with_user_data(void) {
   int marker = 0;
   uint8_t buf[2];
-  gpr_slice slice;
+  grpc_slice slice;
 
   buf[0] = 0;
   buf[1] = 1;
-  slice = gpr_slice_new_with_user_data(buf, 2, set_mark, &marker);
+  slice = grpc_slice_new_with_user_data(buf, 2, set_mark, &marker);
   GPR_ASSERT(marker == 0);
   GPR_ASSERT(GPR_SLICE_LENGTH(slice) == 2);
   GPR_ASSERT(GPR_SLICE_START_PTR(slice)[0] == 0);
   GPR_ASSERT(GPR_SLICE_START_PTR(slice)[1] == 1);
 
   /* unref should cause destroy function to run. */
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   GPR_ASSERT(marker == 1);
 }
 
@@ -118,7 +118,7 @@ static void test_slice_new_with_len_returns_something_sensible(void) {
   int num_refs = 5; /* To test adding/removing an arbitrary number of refs */
   int i;
 
-  gpr_slice slice = gpr_slice_new_with_len(&x, 1, do_nothing_with_len_1);
+  grpc_slice slice = grpc_slice_new_with_len(&x, 1, do_nothing_with_len_1);
   GPR_ASSERT(slice.refcount); /* ref count is initialized to 1 at this point */
   GPR_ASSERT(slice.data.refcounted.bytes == &x);
   GPR_ASSERT(slice.data.refcounted.length == 1);
@@ -128,21 +128,21 @@ static void test_slice_new_with_len_returns_something_sensible(void) {
      make sure that that the destroy callback (i.e do_nothing_with_len_1()) is
      not called until the last unref operation */
   for (i = 0; i < num_refs; i++) {
-    gpr_slice_ref(slice);
+    grpc_slice_ref(slice);
   }
   for (i = 0; i < num_refs; i++) {
-    gpr_slice_unref(slice);
+    grpc_slice_unref(slice);
   }
   GPR_ASSERT(do_nothing_with_len_1_calls == 0); /* Shouldn't be called yet */
 
   /* last unref */
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   GPR_ASSERT(do_nothing_with_len_1_calls == 1);
 }
 
 static void test_slice_sub_works(unsigned length) {
-  gpr_slice slice;
-  gpr_slice sub;
+  grpc_slice slice;
+  grpc_slice sub;
   unsigned i, j, k;
 
   LOG_TEST_NAME("test_slice_sub_works");
@@ -150,7 +150,7 @@ static void test_slice_sub_works(unsigned length) {
 
   /* Create a slice in which each byte is equal to the distance from it to the
      beginning of the slice. */
-  slice = gpr_slice_malloc(length);
+  slice = grpc_slice_malloc(length);
   for (i = 0; i < length; i++) {
     GPR_SLICE_START_PTR(slice)[i] = (uint8_t)i;
   }
@@ -159,18 +159,18 @@ static void test_slice_sub_works(unsigned length) {
      correct byte. Additionally check that no copies were made. */
   for (i = 0; i < length; i++) {
     for (j = i; j < length; j++) {
-      sub = gpr_slice_sub(slice, i, j);
+      sub = grpc_slice_sub(slice, i, j);
       GPR_ASSERT(GPR_SLICE_LENGTH(sub) == j - i);
       for (k = 0; k < j - i; k++) {
         GPR_ASSERT(GPR_SLICE_START_PTR(sub)[k] == (uint8_t)(i + k));
       }
-      gpr_slice_unref(sub);
+      grpc_slice_unref(sub);
     }
   }
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
 }
 
-static void check_head_tail(gpr_slice slice, gpr_slice head, gpr_slice tail) {
+static void check_head_tail(grpc_slice slice, grpc_slice head, grpc_slice tail) {
   GPR_ASSERT(GPR_SLICE_LENGTH(slice) ==
              GPR_SLICE_LENGTH(head) + GPR_SLICE_LENGTH(tail));
   GPR_ASSERT(0 == memcmp(GPR_SLICE_START_PTR(slice), GPR_SLICE_START_PTR(head),
@@ -180,8 +180,8 @@ static void check_head_tail(gpr_slice slice, gpr_slice head, gpr_slice tail) {
 }
 
 static void test_slice_split_head_works(size_t length) {
-  gpr_slice slice;
-  gpr_slice head, tail;
+  grpc_slice slice;
+  grpc_slice head, tail;
   size_t i;
 
   LOG_TEST_NAME("test_slice_split_head_works");
@@ -189,7 +189,7 @@ static void test_slice_split_head_works(size_t length) {
 
   /* Create a slice in which each byte is equal to the distance from it to the
      beginning of the slice. */
-  slice = gpr_slice_malloc(length);
+  slice = grpc_slice_malloc(length);
   for (i = 0; i < length; i++) {
     GPR_SLICE_START_PTR(slice)[i] = (uint8_t)i;
   }
@@ -197,19 +197,19 @@ static void test_slice_split_head_works(size_t length) {
   /* Ensure that for all subsets length is correct and that we start on the
      correct byte. Additionally check that no copies were made. */
   for (i = 0; i < length; i++) {
-    tail = gpr_slice_ref(slice);
-    head = gpr_slice_split_head(&tail, i);
+    tail = grpc_slice_ref(slice);
+    head = grpc_slice_split_head(&tail, i);
     check_head_tail(slice, head, tail);
-    gpr_slice_unref(tail);
-    gpr_slice_unref(head);
+    grpc_slice_unref(tail);
+    grpc_slice_unref(head);
   }
 
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
 }
 
 static void test_slice_split_tail_works(size_t length) {
-  gpr_slice slice;
-  gpr_slice head, tail;
+  grpc_slice slice;
+  grpc_slice head, tail;
   size_t i;
 
   LOG_TEST_NAME("test_slice_split_tail_works");
@@ -217,7 +217,7 @@ static void test_slice_split_tail_works(size_t length) {
 
   /* Create a slice in which each byte is equal to the distance from it to the
      beginning of the slice. */
-  slice = gpr_slice_malloc(length);
+  slice = grpc_slice_malloc(length);
   for (i = 0; i < length; i++) {
     GPR_SLICE_START_PTR(slice)[i] = (uint8_t)i;
   }
@@ -225,27 +225,27 @@ static void test_slice_split_tail_works(size_t length) {
   /* Ensure that for all subsets length is correct and that we start on the
      correct byte. Additionally check that no copies were made. */
   for (i = 0; i < length; i++) {
-    head = gpr_slice_ref(slice);
-    tail = gpr_slice_split_tail(&head, i);
+    head = grpc_slice_ref(slice);
+    tail = grpc_slice_split_tail(&head, i);
     check_head_tail(slice, head, tail);
-    gpr_slice_unref(tail);
-    gpr_slice_unref(head);
+    grpc_slice_unref(tail);
+    grpc_slice_unref(head);
   }
 
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
 }
 
 static void test_slice_from_copied_string_works(void) {
   static const char *text = "HELLO WORLD!";
-  gpr_slice slice;
+  grpc_slice slice;
 
   LOG_TEST_NAME("test_slice_from_copied_string_works");
 
-  slice = gpr_slice_from_copied_string(text);
+  slice = grpc_slice_from_copied_string(text);
   GPR_ASSERT(strlen(text) == GPR_SLICE_LENGTH(slice));
   GPR_ASSERT(0 ==
              memcmp(text, GPR_SLICE_START_PTR(slice), GPR_SLICE_LENGTH(slice)));
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
 }
 
 int main(int argc, char **argv) {
diff --git a/test/core/support/string_test.c b/test/core/support/string_test.c
index 378e45a942..53709ed6f7 100644
--- a/test/core/support/string_test.c
+++ b/test/core/support/string_test.c
@@ -76,34 +76,6 @@ static void test_dump(void) {
   expect_dump("ab", 2, GPR_DUMP_HEX | GPR_DUMP_ASCII, "61 62 'ab'");
 }
 
-static void expect_slice_dump(gpr_slice slice, uint32_t flags,
-                              const char *result) {
-  char *got = gpr_dump_slice(slice, flags);
-  GPR_ASSERT(0 == strcmp(got, result));
-  gpr_free(got);
-  gpr_slice_unref(slice);
-}
-
-static void test_dump_slice(void) {
-  static const char *text = "HELLO WORLD!";
-  static const char *long_text =
-      "It was a bright cold day in April, and the clocks were striking "
-      "thirteen. Winston Smith, his chin nuzzled into his breast in an effort "
-      "to escape the vile wind, slipped quickly through the glass doors of "
-      "Victory Mansions, though not quickly enough to prevent a swirl of "
-      "gritty dust from entering along with him.";
-
-  LOG_TEST_NAME("test_dump_slice");
-
-  expect_slice_dump(gpr_slice_from_copied_string(text), GPR_DUMP_ASCII, text);
-  expect_slice_dump(gpr_slice_from_copied_string(long_text), GPR_DUMP_ASCII,
-                    long_text);
-  expect_slice_dump(gpr_slice_from_copied_buffer("\x01", 1), GPR_DUMP_HEX,
-                    "01");
-  expect_slice_dump(gpr_slice_from_copied_buffer("\x01", 1),
-                    GPR_DUMP_HEX | GPR_DUMP_ASCII, "01 '.'");
-}
-
 static void test_pu32_fail(const char *s) {
   uint32_t out;
   GPR_ASSERT(!gpr_parse_bytes_to_uint32(s, strlen(s), &out));
@@ -221,72 +193,6 @@ static void test_strjoin_sep(void) {
   gpr_free(joined);
 }
 
-static void test_strsplit(void) {
-  gpr_slice_buffer *parts;
-  gpr_slice str;
-
-  LOG_TEST_NAME("test_strsplit");
-
-  parts = gpr_malloc(sizeof(gpr_slice_buffer));
-  gpr_slice_buffer_init(parts);
-
-  str = gpr_slice_from_copied_string("one, two, three, four");
-  gpr_slice_split(str, ", ", parts);
-  GPR_ASSERT(4 == parts->count);
-  GPR_ASSERT(0 == gpr_slice_str_cmp(parts->slices[0], "one"));
-  GPR_ASSERT(0 == gpr_slice_str_cmp(parts->slices[1], "two"));
-  GPR_ASSERT(0 == gpr_slice_str_cmp(parts->slices[2], "three"));
-  GPR_ASSERT(0 == gpr_slice_str_cmp(parts->slices[3], "four"));
-  gpr_slice_buffer_reset_and_unref(parts);
-  gpr_slice_unref(str);
-
-  /* separator not present in string */
-  str = gpr_slice_from_copied_string("one two three four");
-  gpr_slice_split(str, ", ", parts);
-  GPR_ASSERT(1 == parts->count);
-  GPR_ASSERT(0 == gpr_slice_str_cmp(parts->slices[0], "one two three four"));
-  gpr_slice_buffer_reset_and_unref(parts);
-  gpr_slice_unref(str);
-
-  /* separator at the end */
-  str = gpr_slice_from_copied_string("foo,");
-  gpr_slice_split(str, ",", parts);
-  GPR_ASSERT(2 == parts->count);
-  GPR_ASSERT(0 == gpr_slice_str_cmp(parts->slices[0], "foo"));
-  GPR_ASSERT(0 == gpr_slice_str_cmp(parts->slices[1], ""));
-  gpr_slice_buffer_reset_and_unref(parts);
-  gpr_slice_unref(str);
-
-  /* separator at the beginning */
-  str = gpr_slice_from_copied_string(",foo");
-  gpr_slice_split(str, ",", parts);
-  GPR_ASSERT(2 == parts->count);
-  GPR_ASSERT(0 == gpr_slice_str_cmp(parts->slices[0], ""));
-  GPR_ASSERT(0 == gpr_slice_str_cmp(parts->slices[1], "foo"));
-  gpr_slice_buffer_reset_and_unref(parts);
-  gpr_slice_unref(str);
-
-  /* standalone separator */
-  str = gpr_slice_from_copied_string(",");
-  gpr_slice_split(str, ",", parts);
-  GPR_ASSERT(2 == parts->count);
-  GPR_ASSERT(0 == gpr_slice_str_cmp(parts->slices[0], ""));
-  GPR_ASSERT(0 == gpr_slice_str_cmp(parts->slices[1], ""));
-  gpr_slice_buffer_reset_and_unref(parts);
-  gpr_slice_unref(str);
-
-  /* empty input */
-  str = gpr_slice_from_copied_string("");
-  gpr_slice_split(str, ", ", parts);
-  GPR_ASSERT(1 == parts->count);
-  GPR_ASSERT(0 == gpr_slice_str_cmp(parts->slices[0], ""));
-  gpr_slice_buffer_reset_and_unref(parts);
-  gpr_slice_unref(str);
-
-  gpr_slice_buffer_destroy(parts);
-  gpr_free(parts);
-}
-
 static void test_ltoa() {
   char *str;
   char buf[GPR_LTOA_MIN_BUFSIZE];
diff --git a/test/core/surface/byte_buffer_reader_test.c b/test/core/surface/byte_buffer_reader_test.c
index 1ab1a06211..eafeb04b11 100644
--- a/test/core/surface/byte_buffer_reader_test.c
+++ b/test/core/surface/byte_buffer_reader_test.c
@@ -49,102 +49,102 @@
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
 
 static void test_read_one_slice(void) {
-  gpr_slice slice;
+  grpc_slice slice;
   grpc_byte_buffer *buffer;
   grpc_byte_buffer_reader reader;
-  gpr_slice first_slice, second_slice;
+  grpc_slice first_slice, second_slice;
   int first_code, second_code;
 
   LOG_TEST("test_read_one_slice");
-  slice = gpr_slice_from_copied_string("test");
+  slice = grpc_slice_from_copied_string("test");
   buffer = grpc_raw_byte_buffer_create(&slice, 1);
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, buffer) &&
              "Couldn't init byte buffer reader");
   first_code = grpc_byte_buffer_reader_next(&reader, &first_slice);
   GPR_ASSERT(first_code != 0);
   GPR_ASSERT(memcmp(GPR_SLICE_START_PTR(first_slice), "test", 4) == 0);
-  gpr_slice_unref(first_slice);
+  grpc_slice_unref(first_slice);
   second_code = grpc_byte_buffer_reader_next(&reader, &second_slice);
   GPR_ASSERT(second_code == 0);
   grpc_byte_buffer_destroy(buffer);
 }
 
 static void test_read_one_slice_malloc(void) {
-  gpr_slice slice;
+  grpc_slice slice;
   grpc_byte_buffer *buffer;
   grpc_byte_buffer_reader reader;
-  gpr_slice first_slice, second_slice;
+  grpc_slice first_slice, second_slice;
   int first_code, second_code;
 
   LOG_TEST("test_read_one_slice_malloc");
-  slice = gpr_slice_malloc(4);
+  slice = grpc_slice_malloc(4);
   memcpy(GPR_SLICE_START_PTR(slice), "test", 4);
   buffer = grpc_raw_byte_buffer_create(&slice, 1);
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, buffer) &&
              "Couldn't init byte buffer reader");
   first_code = grpc_byte_buffer_reader_next(&reader, &first_slice);
   GPR_ASSERT(first_code != 0);
   GPR_ASSERT(memcmp(GPR_SLICE_START_PTR(first_slice), "test", 4) == 0);
-  gpr_slice_unref(first_slice);
+  grpc_slice_unref(first_slice);
   second_code = grpc_byte_buffer_reader_next(&reader, &second_slice);
   GPR_ASSERT(second_code == 0);
   grpc_byte_buffer_destroy(buffer);
 }
 
 static void test_read_none_compressed_slice(void) {
-  gpr_slice slice;
+  grpc_slice slice;
   grpc_byte_buffer *buffer;
   grpc_byte_buffer_reader reader;
-  gpr_slice first_slice, second_slice;
+  grpc_slice first_slice, second_slice;
   int first_code, second_code;
 
   LOG_TEST("test_read_none_compressed_slice");
-  slice = gpr_slice_from_copied_string("test");
+  slice = grpc_slice_from_copied_string("test");
   buffer = grpc_raw_byte_buffer_create(&slice, 1);
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, buffer) &&
              "Couldn't init byte buffer reader");
   first_code = grpc_byte_buffer_reader_next(&reader, &first_slice);
   GPR_ASSERT(first_code != 0);
   GPR_ASSERT(memcmp(GPR_SLICE_START_PTR(first_slice), "test", 4) == 0);
-  gpr_slice_unref(first_slice);
+  grpc_slice_unref(first_slice);
   second_code = grpc_byte_buffer_reader_next(&reader, &second_slice);
   GPR_ASSERT(second_code == 0);
   grpc_byte_buffer_destroy(buffer);
 }
 
 static void test_read_corrupted_slice(void) {
-  gpr_slice slice;
+  grpc_slice slice;
   grpc_byte_buffer *buffer;
   grpc_byte_buffer_reader reader;
 
   LOG_TEST("test_read_corrupted_slice");
-  slice = gpr_slice_from_copied_string("test");
+  slice = grpc_slice_from_copied_string("test");
   buffer = grpc_raw_byte_buffer_create(&slice, 1);
   buffer->data.raw.compression = GRPC_COMPRESS_GZIP; /* lies! */
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   GPR_ASSERT(!grpc_byte_buffer_reader_init(&reader, buffer));
   grpc_byte_buffer_destroy(buffer);
 }
 
 static void read_compressed_slice(grpc_compression_algorithm algorithm,
                                   size_t input_size) {
-  gpr_slice input_slice;
-  gpr_slice_buffer sliceb_in;
-  gpr_slice_buffer sliceb_out;
+  grpc_slice input_slice;
+  grpc_slice_buffer sliceb_in;
+  grpc_slice_buffer sliceb_out;
   grpc_byte_buffer *buffer;
   grpc_byte_buffer_reader reader;
-  gpr_slice read_slice;
+  grpc_slice read_slice;
   size_t read_count = 0;
 
-  gpr_slice_buffer_init(&sliceb_in);
-  gpr_slice_buffer_init(&sliceb_out);
+  grpc_slice_buffer_init(&sliceb_in);
+  grpc_slice_buffer_init(&sliceb_out);
 
-  input_slice = gpr_slice_malloc(input_size);
+  input_slice = grpc_slice_malloc(input_size);
   memset(GPR_SLICE_START_PTR(input_slice), 'a', input_size);
-  gpr_slice_buffer_add(&sliceb_in, input_slice); /* takes ownership */
+  grpc_slice_buffer_add(&sliceb_in, input_slice); /* takes ownership */
   GPR_ASSERT(grpc_msg_compress(algorithm, &sliceb_in, &sliceb_out));
 
   buffer = grpc_raw_compressed_byte_buffer_create(sliceb_out.slices,
@@ -157,13 +157,13 @@ static void read_compressed_slice(grpc_compression_algorithm algorithm,
                       GPR_SLICE_START_PTR(input_slice) + read_count,
                       GPR_SLICE_LENGTH(read_slice)) == 0);
     read_count += GPR_SLICE_LENGTH(read_slice);
-    gpr_slice_unref(read_slice);
+    grpc_slice_unref(read_slice);
   }
   GPR_ASSERT(read_count == input_size);
   grpc_byte_buffer_reader_destroy(&reader);
   grpc_byte_buffer_destroy(buffer);
-  gpr_slice_buffer_destroy(&sliceb_out);
-  gpr_slice_buffer_destroy(&sliceb_in);
+  grpc_slice_buffer_destroy(&sliceb_out);
+  grpc_slice_buffer_destroy(&sliceb_in);
 }
 
 static void test_read_gzip_compressed_slice(void) {
@@ -179,15 +179,15 @@ static void test_read_deflate_compressed_slice(void) {
 }
 
 static void test_byte_buffer_from_reader(void) {
-  gpr_slice slice;
+  grpc_slice slice;
   grpc_byte_buffer *buffer, *buffer_from_reader;
   grpc_byte_buffer_reader reader;
 
   LOG_TEST("test_byte_buffer_from_reader");
-  slice = gpr_slice_malloc(4);
+  slice = grpc_slice_malloc(4);
   memcpy(GPR_SLICE_START_PTR(slice), "test", 4);
   buffer = grpc_raw_byte_buffer_create(&slice, 1);
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, buffer) &&
              "Couldn't init byte buffer reader");
 
@@ -206,24 +206,24 @@ static void test_byte_buffer_from_reader(void) {
 static void test_readall(void) {
   char *lotsa_as[512];
   char *lotsa_bs[1024];
-  gpr_slice slices[2];
+  grpc_slice slices[2];
   grpc_byte_buffer *buffer;
   grpc_byte_buffer_reader reader;
-  gpr_slice slice_out;
+  grpc_slice slice_out;
 
   LOG_TEST("test_readall");
 
   memset(lotsa_as, 'a', 512);
   memset(lotsa_bs, 'b', 1024);
   /* use slices large enough to overflow inlining */
-  slices[0] = gpr_slice_malloc(512);
+  slices[0] = grpc_slice_malloc(512);
   memcpy(GPR_SLICE_START_PTR(slices[0]), lotsa_as, 512);
-  slices[1] = gpr_slice_malloc(1024);
+  slices[1] = grpc_slice_malloc(1024);
   memcpy(GPR_SLICE_START_PTR(slices[1]), lotsa_bs, 1024);
 
   buffer = grpc_raw_byte_buffer_create(slices, 2);
-  gpr_slice_unref(slices[0]);
-  gpr_slice_unref(slices[1]);
+  grpc_slice_unref(slices[0]);
+  grpc_slice_unref(slices[1]);
 
   GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, buffer) &&
              "Couldn't init byte buffer reader");
@@ -233,32 +233,32 @@ static void test_readall(void) {
   GPR_ASSERT(memcmp(GPR_SLICE_START_PTR(slice_out), lotsa_as, 512) == 0);
   GPR_ASSERT(memcmp(&(GPR_SLICE_START_PTR(slice_out)[512]), lotsa_bs, 1024) ==
              0);
-  gpr_slice_unref(slice_out);
+  grpc_slice_unref(slice_out);
   grpc_byte_buffer_destroy(buffer);
 }
 
 static void test_byte_buffer_copy(void) {
   char *lotsa_as[512];
   char *lotsa_bs[1024];
-  gpr_slice slices[2];
+  grpc_slice slices[2];
   grpc_byte_buffer *buffer;
   grpc_byte_buffer *copied_buffer;
   grpc_byte_buffer_reader reader;
-  gpr_slice slice_out;
+  grpc_slice slice_out;
 
   LOG_TEST("test_byte_buffer_copy");
 
   memset(lotsa_as, 'a', 512);
   memset(lotsa_bs, 'b', 1024);
   /* use slices large enough to overflow inlining */
-  slices[0] = gpr_slice_malloc(512);
+  slices[0] = grpc_slice_malloc(512);
   memcpy(GPR_SLICE_START_PTR(slices[0]), lotsa_as, 512);
-  slices[1] = gpr_slice_malloc(1024);
+  slices[1] = grpc_slice_malloc(1024);
   memcpy(GPR_SLICE_START_PTR(slices[1]), lotsa_bs, 1024);
 
   buffer = grpc_raw_byte_buffer_create(slices, 2);
-  gpr_slice_unref(slices[0]);
-  gpr_slice_unref(slices[1]);
+  grpc_slice_unref(slices[0]);
+  grpc_slice_unref(slices[1]);
   copied_buffer = grpc_byte_buffer_copy(buffer);
 
   GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, buffer) &&
@@ -269,7 +269,7 @@ static void test_byte_buffer_copy(void) {
   GPR_ASSERT(memcmp(GPR_SLICE_START_PTR(slice_out), lotsa_as, 512) == 0);
   GPR_ASSERT(memcmp(&(GPR_SLICE_START_PTR(slice_out)[512]), lotsa_bs, 1024) ==
              0);
-  gpr_slice_unref(slice_out);
+  grpc_slice_unref(slice_out);
   grpc_byte_buffer_destroy(buffer);
   grpc_byte_buffer_destroy(copied_buffer);
 }
diff --git a/test/core/transport/chttp2/bin_decoder_test.c b/test/core/transport/chttp2/bin_decoder_test.c
index c4e6cd332f..3b111934ad 100644
--- a/test/core/transport/chttp2/bin_decoder_test.c
+++ b/test/core/transport/chttp2/bin_decoder_test.c
@@ -42,9 +42,9 @@
 
 static int all_ok = 1;
 
-static void expect_slice_eq(gpr_slice expected, gpr_slice slice, char *debug,
+static void expect_slice_eq(grpc_slice expected, grpc_slice slice, char *debug,
                             int line) {
-  if (0 != gpr_slice_cmp(slice, expected)) {
+  if (0 != grpc_slice_cmp(slice, expected)) {
     char *hs = gpr_dump_slice(slice, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     char *he = gpr_dump_slice(expected, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     gpr_log(GPR_ERROR, "FAILED:%d: %s\ngot:  %s\nwant: %s", line, debug, hs,
@@ -53,35 +53,35 @@ static void expect_slice_eq(gpr_slice expected, gpr_slice slice, char *debug,
     gpr_free(he);
     all_ok = 0;
   }
-  gpr_slice_unref(expected);
-  gpr_slice_unref(slice);
+  grpc_slice_unref(expected);
+  grpc_slice_unref(slice);
 }
 
-static gpr_slice base64_encode(const char *s) {
-  gpr_slice ss = gpr_slice_from_copied_string(s);
-  gpr_slice out = grpc_chttp2_base64_encode(ss);
-  gpr_slice_unref(ss);
+static grpc_slice base64_encode(const char *s) {
+  grpc_slice ss = grpc_slice_from_copied_string(s);
+  grpc_slice out = grpc_chttp2_base64_encode(ss);
+  grpc_slice_unref(ss);
   return out;
 }
 
-static gpr_slice base64_decode(const char *s) {
-  gpr_slice ss = gpr_slice_from_copied_string(s);
-  gpr_slice out = grpc_chttp2_base64_decode(ss);
-  gpr_slice_unref(ss);
+static grpc_slice base64_decode(const char *s) {
+  grpc_slice ss = grpc_slice_from_copied_string(s);
+  grpc_slice out = grpc_chttp2_base64_decode(ss);
+  grpc_slice_unref(ss);
   return out;
 }
 
-static gpr_slice base64_decode_with_length(const char *s,
+static grpc_slice base64_decode_with_length(const char *s,
                                            size_t output_length) {
-  gpr_slice ss = gpr_slice_from_copied_string(s);
-  gpr_slice out = grpc_chttp2_base64_decode_with_length(ss, output_length);
-  gpr_slice_unref(ss);
+  grpc_slice ss = grpc_slice_from_copied_string(s);
+  grpc_slice out = grpc_chttp2_base64_decode_with_length(ss, output_length);
+  grpc_slice_unref(ss);
   return out;
 }
 
 #define EXPECT_SLICE_EQ(expected, slice)                                   \
   expect_slice_eq(                                                         \
-      gpr_slice_from_copied_buffer(expected, sizeof(expected) - 1), slice, \
+      grpc_slice_from_copied_buffer(expected, sizeof(expected) - 1), slice, \
       #slice, __LINE__);
 
 #define ENCODE_AND_DECODE(s) \
diff --git a/test/core/transport/chttp2/bin_encoder_test.c b/test/core/transport/chttp2/bin_encoder_test.c
index 08d10735a5..f7df4452ce 100644
--- a/test/core/transport/chttp2/bin_encoder_test.c
+++ b/test/core/transport/chttp2/bin_encoder_test.c
@@ -45,9 +45,9 @@
 
 static int all_ok = 1;
 
-static void expect_slice_eq(gpr_slice expected, gpr_slice slice, char *debug,
+static void expect_slice_eq(grpc_slice expected, grpc_slice slice, char *debug,
                             int line) {
-  if (0 != gpr_slice_cmp(slice, expected)) {
+  if (0 != grpc_slice_cmp(slice, expected)) {
     char *hs = gpr_dump_slice(slice, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     char *he = gpr_dump_slice(expected, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     gpr_log(GPR_ERROR, "FAILED:%d: %s\ngot:  %s\nwant: %s", line, debug, hs,
@@ -56,35 +56,35 @@ static void expect_slice_eq(gpr_slice expected, gpr_slice slice, char *debug,
     gpr_free(he);
     all_ok = 0;
   }
-  gpr_slice_unref(expected);
-  gpr_slice_unref(slice);
+  grpc_slice_unref(expected);
+  grpc_slice_unref(slice);
 }
 
-static gpr_slice B64(const char *s) {
-  gpr_slice ss = gpr_slice_from_copied_string(s);
-  gpr_slice out = grpc_chttp2_base64_encode(ss);
-  gpr_slice_unref(ss);
+static grpc_slice B64(const char *s) {
+  grpc_slice ss = grpc_slice_from_copied_string(s);
+  grpc_slice out = grpc_chttp2_base64_encode(ss);
+  grpc_slice_unref(ss);
   return out;
 }
 
-static gpr_slice HUFF(const char *s) {
-  gpr_slice ss = gpr_slice_from_copied_string(s);
-  gpr_slice out = grpc_chttp2_huffman_compress(ss);
-  gpr_slice_unref(ss);
+static grpc_slice HUFF(const char *s) {
+  grpc_slice ss = grpc_slice_from_copied_string(s);
+  grpc_slice out = grpc_chttp2_huffman_compress(ss);
+  grpc_slice_unref(ss);
   return out;
 }
 
 #define EXPECT_SLICE_EQ(expected, slice)                                   \
   expect_slice_eq(                                                         \
-      gpr_slice_from_copied_buffer(expected, sizeof(expected) - 1), slice, \
+      grpc_slice_from_copied_buffer(expected, sizeof(expected) - 1), slice, \
       #slice, __LINE__);
 
 static void expect_combined_equiv(const char *s, size_t len, int line) {
-  gpr_slice input = gpr_slice_from_copied_buffer(s, len);
-  gpr_slice base64 = grpc_chttp2_base64_encode(input);
-  gpr_slice expect = grpc_chttp2_huffman_compress(base64);
-  gpr_slice got = grpc_chttp2_base64_encode_and_huffman_compress_impl(input);
-  if (0 != gpr_slice_cmp(expect, got)) {
+  grpc_slice input = grpc_slice_from_copied_buffer(s, len);
+  grpc_slice base64 = grpc_chttp2_base64_encode(input);
+  grpc_slice expect = grpc_chttp2_huffman_compress(base64);
+  grpc_slice got = grpc_chttp2_base64_encode_and_huffman_compress_impl(input);
+  if (0 != grpc_slice_cmp(expect, got)) {
     char *t = gpr_dump_slice(input, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     char *e = gpr_dump_slice(expect, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     char *g = gpr_dump_slice(got, GPR_DUMP_HEX | GPR_DUMP_ASCII);
@@ -95,10 +95,10 @@ static void expect_combined_equiv(const char *s, size_t len, int line) {
     gpr_free(g);
     all_ok = 0;
   }
-  gpr_slice_unref(input);
-  gpr_slice_unref(base64);
-  gpr_slice_unref(expect);
-  gpr_slice_unref(got);
+  grpc_slice_unref(input);
+  grpc_slice_unref(base64);
+  grpc_slice_unref(expect);
+  grpc_slice_unref(got);
 }
 
 #define EXPECT_COMBINED_EQUIV(x) \
diff --git a/test/core/transport/chttp2/hpack_encoder_test.c b/test/core/transport/chttp2/hpack_encoder_test.c
index 1c1c74879b..2b4279673a 100644
--- a/test/core/transport/chttp2/hpack_encoder_test.c
+++ b/test/core/transport/chttp2/hpack_encoder_test.c
@@ -60,9 +60,9 @@ size_t cap_to_delete = 0;
    hexstring passed in */
 static void verify(size_t window_available, int eof, size_t expect_window_used,
                    const char *expected, size_t nheaders, ...) {
-  gpr_slice_buffer output;
-  gpr_slice merged;
-  gpr_slice expect = parse_hexstring(expected);
+  grpc_slice_buffer output;
+  grpc_slice merged;
+  grpc_slice expect = parse_hexstring(expected);
   size_t i;
   va_list l;
   grpc_linked_mdelem *e = gpr_malloc(sizeof(*e) * nheaders);
@@ -93,17 +93,17 @@ static void verify(size_t window_available, int eof, size_t expect_window_used,
   }
   to_delete[num_to_delete++] = e;
 
-  gpr_slice_buffer_init(&output);
+  grpc_slice_buffer_init(&output);
 
   grpc_transport_one_way_stats stats;
   memset(&stats, 0, sizeof(stats));
   grpc_chttp2_encode_header(&g_compressor, 0xdeadbeef, &b, eof, 16384, &stats,
                             &output);
   merged = grpc_slice_merge(output.slices, output.count);
-  gpr_slice_buffer_destroy(&output);
+  grpc_slice_buffer_destroy(&output);
   grpc_metadata_batch_destroy(&b);
 
-  if (0 != gpr_slice_cmp(merged, expect)) {
+  if (0 != grpc_slice_cmp(merged, expect)) {
     char *expect_str = gpr_dump_slice(expect, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     char *got_str = gpr_dump_slice(merged, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     gpr_log(GPR_ERROR, "mismatched output for %s", expected);
@@ -114,8 +114,8 @@ static void verify(size_t window_available, int eof, size_t expect_window_used,
     g_failure = 1;
   }
 
-  gpr_slice_unref(merged);
-  gpr_slice_unref(expect);
+  grpc_slice_unref(merged);
+  grpc_slice_unref(expect);
 }
 
 static void test_basic_headers(void) {
@@ -186,7 +186,7 @@ static void test_decode_table_overflow(void) {
 
 static void verify_table_size_change_match_elem_size(const char *key,
                                                      const char *value) {
-  gpr_slice_buffer output;
+  grpc_slice_buffer output;
   grpc_mdelem *elem = grpc_mdelem_from_strings(key, value);
   size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
   size_t initial_table_size = g_compressor.table_size;
@@ -198,13 +198,13 @@ static void verify_table_size_change_match_elem_size(const char *key,
   e[0].next = NULL;
   b.list.head = &e[0];
   b.list.tail = &e[0];
-  gpr_slice_buffer_init(&output);
+  grpc_slice_buffer_init(&output);
 
   grpc_transport_one_way_stats stats;
   memset(&stats, 0, sizeof(stats));
   grpc_chttp2_encode_header(&g_compressor, 0xdeadbeef, &b, 0, 16384, &stats,
                             &output);
-  gpr_slice_buffer_destroy(&output);
+  grpc_slice_buffer_destroy(&output);
   grpc_metadata_batch_destroy(&b);
 
   GPR_ASSERT(g_compressor.table_size == elem_size + initial_table_size);
diff --git a/test/core/transport/chttp2/hpack_parser_test.c b/test/core/transport/chttp2/hpack_parser_test.c
index 55b64f5d99..ffea0e19e2 100644
--- a/test/core/transport/chttp2/hpack_parser_test.c
+++ b/test/core/transport/chttp2/hpack_parser_test.c
@@ -52,16 +52,16 @@ static void onhdr(grpc_exec_ctx *exec_ctx, void *ud, grpc_mdelem *md) {
   GPR_ASSERT(ekey);
   evalue = va_arg(chk->args, char *);
   GPR_ASSERT(evalue);
-  GPR_ASSERT(gpr_slice_str_cmp(md->key->slice, ekey) == 0);
-  GPR_ASSERT(gpr_slice_str_cmp(md->value->slice, evalue) == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(md->key->slice, ekey) == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(md->value->slice, evalue) == 0);
   GRPC_MDELEM_UNREF(md);
 }
 
 static void test_vector(grpc_chttp2_hpack_parser *parser,
                         grpc_slice_split_mode mode, const char *hexstring,
                         ... /* char *key, char *value */) {
-  gpr_slice input = parse_hexstring(hexstring);
-  gpr_slice *slices;
+  grpc_slice input = parse_hexstring(hexstring);
+  grpc_slice *slices;
   size_t nslices;
   size_t i;
   test_checker chk;
@@ -72,7 +72,7 @@ static void test_vector(grpc_chttp2_hpack_parser *parser,
   parser->on_header_user_data = &chk;
 
   grpc_split_slices(mode, &input, 1, &slices, &nslices);
-  gpr_slice_unref(input);
+  grpc_slice_unref(input);
 
   for (i = 0; i < nslices; i++) {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -83,7 +83,7 @@ static void test_vector(grpc_chttp2_hpack_parser *parser,
   }
 
   for (i = 0; i < nslices; i++) {
-    gpr_slice_unref(slices[i]);
+    grpc_slice_unref(slices[i]);
   }
   gpr_free(slices);
 
diff --git a/test/core/transport/chttp2/hpack_table_test.c b/test/core/transport/chttp2/hpack_table_test.c
index 75b0ef4629..1a7e2442ca 100644
--- a/test/core/transport/chttp2/hpack_table_test.c
+++ b/test/core/transport/chttp2/hpack_table_test.c
@@ -48,7 +48,7 @@
 
 static void assert_str(const grpc_chttp2_hptbl *tbl, grpc_mdstr *mdstr,
                        const char *str) {
-  GPR_ASSERT(gpr_slice_str_cmp(mdstr->slice, str) == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(mdstr->slice, str) == 0);
 }
 
 static void assert_index(const grpc_chttp2_hptbl *tbl, uint32_t idx,
diff --git a/test/core/transport/chttp2/varint_test.c b/test/core/transport/chttp2/varint_test.c
index 3552bf0c59..28cb404ce2 100644
--- a/test/core/transport/chttp2/varint_test.c
+++ b/test/core/transport/chttp2/varint_test.c
@@ -41,16 +41,16 @@
 static void test_varint(uint32_t value, uint32_t prefix_bits, uint8_t prefix_or,
                         const char *expect_bytes, size_t expect_length) {
   uint32_t nbytes = GRPC_CHTTP2_VARINT_LENGTH(value, prefix_bits);
-  gpr_slice expect = gpr_slice_from_copied_buffer(expect_bytes, expect_length);
-  gpr_slice slice;
+  grpc_slice expect = grpc_slice_from_copied_buffer(expect_bytes, expect_length);
+  grpc_slice slice;
   gpr_log(GPR_DEBUG, "Test: 0x%08x", value);
   GPR_ASSERT(nbytes == expect_length);
-  slice = gpr_slice_malloc(nbytes);
+  slice = grpc_slice_malloc(nbytes);
   GRPC_CHTTP2_WRITE_VARINT(value, prefix_bits, prefix_or,
                            GPR_SLICE_START_PTR(slice), nbytes);
-  GPR_ASSERT(gpr_slice_cmp(expect, slice) == 0);
-  gpr_slice_unref(expect);
-  gpr_slice_unref(slice);
+  GPR_ASSERT(grpc_slice_cmp(expect, slice) == 0);
+  grpc_slice_unref(expect);
+  grpc_slice_unref(slice);
 }
 
 #define TEST_VARINT(value, prefix_bits, prefix_or, expect) \
diff --git a/test/core/transport/metadata_test.c b/test/core/transport/metadata_test.c
index 007892930c..e47777ee72 100644
--- a/test/core/transport/metadata_test.c
+++ b/test/core/transport/metadata_test.c
@@ -68,8 +68,8 @@ static void test_create_string(void) {
   s3 = grpc_mdstr_from_string("very much not hello");
   GPR_ASSERT(s1 == s2);
   GPR_ASSERT(s3 != s1);
-  GPR_ASSERT(gpr_slice_str_cmp(s1->slice, "hello") == 0);
-  GPR_ASSERT(gpr_slice_str_cmp(s3->slice, "very much not hello") == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(s1->slice, "hello") == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(s3->slice, "very much not hello") == 0);
   GRPC_MDSTR_UNREF(s1);
   GRPC_MDSTR_UNREF(s2);
   GRPC_MDSTR_UNREF(s3);
@@ -89,9 +89,9 @@ static void test_create_metadata(void) {
   GPR_ASSERT(m3 != m1);
   GPR_ASSERT(m3->key == m1->key);
   GPR_ASSERT(m3->value != m1->value);
-  GPR_ASSERT(gpr_slice_str_cmp(m1->key->slice, "a") == 0);
-  GPR_ASSERT(gpr_slice_str_cmp(m1->value->slice, "b") == 0);
-  GPR_ASSERT(gpr_slice_str_cmp(m3->value->slice, "c") == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(m1->key->slice, "a") == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(m1->value->slice, "b") == 0);
+  GPR_ASSERT(grpc_slice_str_cmp(m3->value->slice, "c") == 0);
   GRPC_MDELEM_UNREF(m1);
   GRPC_MDELEM_UNREF(m2);
   GRPC_MDELEM_UNREF(m3);
@@ -205,7 +205,7 @@ static void test_things_stick_around(void) {
 static void test_slices_work(void) {
   /* ensure no memory leaks when switching representation from mdstr to slice */
   grpc_mdstr *str;
-  gpr_slice slice;
+  grpc_slice slice;
 
   LOG_TEST("test_slices_work");
 
@@ -213,14 +213,14 @@ static void test_slices_work(void) {
 
   str = grpc_mdstr_from_string(
       "123456789012345678901234567890123456789012345678901234567890");
-  slice = gpr_slice_ref(str->slice);
+  slice = grpc_slice_ref(str->slice);
   GRPC_MDSTR_UNREF(str);
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
 
   str = grpc_mdstr_from_string(
       "123456789012345678901234567890123456789012345678901234567890");
-  slice = gpr_slice_ref(str->slice);
-  gpr_slice_unref(slice);
+  slice = grpc_slice_ref(str->slice);
+  grpc_slice_unref(slice);
   GRPC_MDSTR_UNREF(str);
 
   grpc_shutdown();
@@ -228,8 +228,8 @@ static void test_slices_work(void) {
 
 static void test_base64_and_huffman_works(void) {
   grpc_mdstr *str;
-  gpr_slice slice1;
-  gpr_slice slice2;
+  grpc_slice slice1;
+  grpc_slice slice2;
 
   LOG_TEST("test_base64_and_huffman_works");
 
@@ -237,9 +237,9 @@ static void test_base64_and_huffman_works(void) {
   str = grpc_mdstr_from_string("abcdefg");
   slice1 = grpc_mdstr_as_base64_encoded_and_huffman_compressed(str);
   slice2 = grpc_chttp2_base64_encode_and_huffman_compress(str->slice);
-  GPR_ASSERT(0 == gpr_slice_cmp(slice1, slice2));
+  GPR_ASSERT(0 == grpc_slice_cmp(slice1, slice2));
 
-  gpr_slice_unref(slice2);
+  grpc_slice_unref(slice2);
   GRPC_MDSTR_UNREF(str);
   grpc_shutdown();
 }
@@ -276,13 +276,13 @@ static void verify_binary_header_size(const char *key, const uint8_t *value,
   grpc_mdelem *elem = grpc_mdelem_from_string_and_buffer(key, value, value_len);
   GPR_ASSERT(grpc_is_binary_header(key, strlen(key)));
   size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
-  gpr_slice value_slice =
-      gpr_slice_from_copied_buffer((const char *)value, value_len);
-  gpr_slice base64_encoded = grpc_chttp2_base64_encode(value_slice);
+  grpc_slice value_slice =
+      grpc_slice_from_copied_buffer((const char *)value, value_len);
+  grpc_slice base64_encoded = grpc_chttp2_base64_encode(value_slice);
   size_t expected_size = 32 + strlen(key) + GPR_SLICE_LENGTH(base64_encoded);
   GPR_ASSERT(expected_size == elem_size);
-  gpr_slice_unref(value_slice);
-  gpr_slice_unref(base64_encoded);
+  grpc_slice_unref(value_slice);
+  grpc_slice_unref(base64_encoded);
   GRPC_MDELEM_UNREF(elem);
 }
 
diff --git a/test/core/util/mock_endpoint.c b/test/core/util/mock_endpoint.c
index 2b041a4484..6e09427c2b 100644
--- a/test/core/util/mock_endpoint.c
+++ b/test/core/util/mock_endpoint.c
@@ -42,19 +42,19 @@ typedef struct grpc_mock_endpoint {
   grpc_endpoint base;
   gpr_mu mu;
   int refs;
-  void (*on_write)(gpr_slice slice);
-  gpr_slice_buffer read_buffer;
-  gpr_slice_buffer *on_read_out;
+  void (*on_write)(grpc_slice slice);
+  grpc_slice_buffer read_buffer;
+  grpc_slice_buffer *on_read_out;
   grpc_closure *on_read;
   grpc_resource_user resource_user;
 } grpc_mock_endpoint;
 
 static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
-                    gpr_slice_buffer *slices, grpc_closure *cb) {
+                    grpc_slice_buffer *slices, grpc_closure *cb) {
   grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
   gpr_mu_lock(&m->mu);
   if (m->read_buffer.count > 0) {
-    gpr_slice_buffer_swap(&m->read_buffer, slices);
+    grpc_slice_buffer_swap(&m->read_buffer, slices);
     grpc_exec_ctx_sched(exec_ctx, cb, GRPC_ERROR_NONE, NULL);
   } else {
     m->on_read = cb;
@@ -64,7 +64,7 @@ static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
 }
 
 static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
-                     gpr_slice_buffer *slices, grpc_closure *cb) {
+                     grpc_slice_buffer *slices, grpc_closure *cb) {
   grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
   for (size_t i = 0; i < slices->count; i++) {
     m->on_write(slices->slices[i]);
@@ -82,7 +82,7 @@ static void unref(grpc_exec_ctx *exec_ctx, grpc_mock_endpoint *m) {
   gpr_mu_lock(&m->mu);
   if (0 == --m->refs) {
     gpr_mu_unlock(&m->mu);
-    gpr_slice_buffer_destroy(&m->read_buffer);
+    grpc_slice_buffer_destroy(&m->read_buffer);
     grpc_resource_user_destroy(exec_ctx, &m->resource_user);
     gpr_free(m);
   } else {
@@ -137,7 +137,7 @@ static const grpc_endpoint_vtable vtable = {
     me_get_peer,
 };
 
-grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice),
+grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(grpc_slice slice),
                                          grpc_resource_quota *resource_quota) {
   grpc_mock_endpoint *m = gpr_malloc(sizeof(*m));
   m->base.vtable = &vtable;
@@ -146,7 +146,7 @@ grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice),
   gpr_asprintf(&name, "mock_endpoint_%" PRIxPTR, (intptr_t)m);
   grpc_resource_user_init(&m->resource_user, resource_quota, name);
   gpr_free(name);
-  gpr_slice_buffer_init(&m->read_buffer);
+  grpc_slice_buffer_init(&m->read_buffer);
   gpr_mu_init(&m->mu);
   m->on_write = on_write;
   m->on_read = NULL;
@@ -154,15 +154,15 @@ grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice),
 }
 
 void grpc_mock_endpoint_put_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
-                                 gpr_slice slice) {
+                                 grpc_slice slice) {
   grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
   gpr_mu_lock(&m->mu);
   if (m->on_read != NULL) {
-    gpr_slice_buffer_add(m->on_read_out, slice);
+    grpc_slice_buffer_add(m->on_read_out, slice);
     grpc_exec_ctx_sched(exec_ctx, m->on_read, GRPC_ERROR_NONE, NULL);
     m->on_read = NULL;
   } else {
-    gpr_slice_buffer_add(&m->read_buffer, slice);
+    grpc_slice_buffer_add(&m->read_buffer, slice);
   }
   gpr_mu_unlock(&m->mu);
 }
diff --git a/test/core/util/mock_endpoint.h b/test/core/util/mock_endpoint.h
index b3a464ca01..8f8d2a412d 100644
--- a/test/core/util/mock_endpoint.h
+++ b/test/core/util/mock_endpoint.h
@@ -36,9 +36,9 @@
 
 #include "src/core/lib/iomgr/endpoint.h"
 
-grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice),
+grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(grpc_slice slice),
                                          grpc_resource_quota *resource_quota);
 void grpc_mock_endpoint_put_read(grpc_exec_ctx *exec_ctx,
-                                 grpc_endpoint *mock_endpoint, gpr_slice slice);
+                                 grpc_endpoint *mock_endpoint, grpc_slice slice);
 
 #endif
diff --git a/test/core/util/one_corpus_entry_fuzzer.c b/test/core/util/one_corpus_entry_fuzzer.c
index 95ae4cf706..a07e83b775 100644
--- a/test/core/util/one_corpus_entry_fuzzer.c
+++ b/test/core/util/one_corpus_entry_fuzzer.c
@@ -42,12 +42,12 @@ extern bool squelch;
 extern bool leak_check;
 
 int main(int argc, char **argv) {
-  gpr_slice buffer;
+  grpc_slice buffer;
   squelch = false;
   leak_check = false;
   GPR_ASSERT(
       GRPC_LOG_IF_ERROR("load_file", grpc_load_file(argv[1], 0, &buffer)));
   LLVMFuzzerTestOneInput(GPR_SLICE_START_PTR(buffer), GPR_SLICE_LENGTH(buffer));
-  gpr_slice_unref(buffer);
+  grpc_slice_unref(buffer);
   return 0;
 }
diff --git a/test/core/util/parse_hexstring.c b/test/core/util/parse_hexstring.c
index 3ad7ce5828..91149a691a 100644
--- a/test/core/util/parse_hexstring.c
+++ b/test/core/util/parse_hexstring.c
@@ -34,12 +34,12 @@
 #include "test/core/util/parse_hexstring.h"
 #include <grpc/support/log.h>
 
-gpr_slice parse_hexstring(const char *hexstring) {
+grpc_slice parse_hexstring(const char *hexstring) {
   size_t nibbles = 0;
   const char *p = 0;
   uint8_t *out;
   uint8_t temp;
-  gpr_slice slice;
+  grpc_slice slice;
 
   for (p = hexstring; *p; p++) {
     nibbles += (*p >= '0' && *p <= '9') || (*p >= 'a' && *p <= 'f');
@@ -47,7 +47,7 @@ gpr_slice parse_hexstring(const char *hexstring) {
 
   GPR_ASSERT((nibbles & 1) == 0);
 
-  slice = gpr_slice_malloc(nibbles / 2);
+  slice = grpc_slice_malloc(nibbles / 2);
   out = GPR_SLICE_START_PTR(slice);
 
   nibbles = 0;
diff --git a/test/core/util/parse_hexstring.h b/test/core/util/parse_hexstring.h
index ddbfe541c6..bfdc23299a 100644
--- a/test/core/util/parse_hexstring.h
+++ b/test/core/util/parse_hexstring.h
@@ -36,6 +36,6 @@
 
 #include <grpc/support/slice.h>
 
-gpr_slice parse_hexstring(const char *hexstring);
+grpc_slice parse_hexstring(const char *hexstring);
 
 #endif /* GRPC_TEST_CORE_UTIL_PARSE_HEXSTRING_H */
diff --git a/test/core/util/passthru_endpoint.c b/test/core/util/passthru_endpoint.c
index ee6ef7da60..a5bac8aaa8 100644
--- a/test/core/util/passthru_endpoint.c
+++ b/test/core/util/passthru_endpoint.c
@@ -43,8 +43,8 @@ typedef struct passthru_endpoint passthru_endpoint;
 typedef struct {
   grpc_endpoint base;
   passthru_endpoint *parent;
-  gpr_slice_buffer read_buffer;
-  gpr_slice_buffer *on_read_out;
+  grpc_slice_buffer read_buffer;
+  grpc_slice_buffer *on_read_out;
   grpc_closure *on_read;
   grpc_resource_user resource_user;
 } half;
@@ -58,14 +58,14 @@ struct passthru_endpoint {
 };
 
 static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
-                    gpr_slice_buffer *slices, grpc_closure *cb) {
+                    grpc_slice_buffer *slices, grpc_closure *cb) {
   half *m = (half *)ep;
   gpr_mu_lock(&m->parent->mu);
   if (m->parent->shutdown) {
     grpc_exec_ctx_sched(exec_ctx, cb, GRPC_ERROR_CREATE("Already shutdown"),
                         NULL);
   } else if (m->read_buffer.count > 0) {
-    gpr_slice_buffer_swap(&m->read_buffer, slices);
+    grpc_slice_buffer_swap(&m->read_buffer, slices);
     grpc_exec_ctx_sched(exec_ctx, cb, GRPC_ERROR_NONE, NULL);
   } else {
     m->on_read = cb;
@@ -80,7 +80,7 @@ static half *other_half(half *h) {
 }
 
 static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
-                     gpr_slice_buffer *slices, grpc_closure *cb) {
+                     grpc_slice_buffer *slices, grpc_closure *cb) {
   half *m = other_half((half *)ep);
   gpr_mu_lock(&m->parent->mu);
   grpc_error *error = GRPC_ERROR_NONE;
@@ -88,13 +88,13 @@ static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
     error = GRPC_ERROR_CREATE("Endpoint already shutdown");
   } else if (m->on_read != NULL) {
     for (size_t i = 0; i < slices->count; i++) {
-      gpr_slice_buffer_add(m->on_read_out, gpr_slice_ref(slices->slices[i]));
+      grpc_slice_buffer_add(m->on_read_out, grpc_slice_ref(slices->slices[i]));
     }
     grpc_exec_ctx_sched(exec_ctx, m->on_read, GRPC_ERROR_NONE, NULL);
     m->on_read = NULL;
   } else {
     for (size_t i = 0; i < slices->count; i++) {
-      gpr_slice_buffer_add(&m->read_buffer, gpr_slice_ref(slices->slices[i]));
+      grpc_slice_buffer_add(&m->read_buffer, grpc_slice_ref(slices->slices[i]));
     }
   }
   gpr_mu_unlock(&m->parent->mu);
@@ -132,8 +132,8 @@ static void me_really_destroy(grpc_exec_ctx *exec_ctx, void *ep,
   if (0 == --p->halves) {
     gpr_mu_unlock(&p->mu);
     gpr_mu_destroy(&p->mu);
-    gpr_slice_buffer_destroy(&p->client.read_buffer);
-    gpr_slice_buffer_destroy(&p->server.read_buffer);
+    grpc_slice_buffer_destroy(&p->client.read_buffer);
+    grpc_slice_buffer_destroy(&p->server.read_buffer);
     gpr_free(p);
   } else {
     gpr_mu_unlock(&p->mu);
@@ -174,7 +174,7 @@ static void half_init(half *m, passthru_endpoint *parent,
                       const char *half_name) {
   m->base.vtable = &vtable;
   m->parent = parent;
-  gpr_slice_buffer_init(&m->read_buffer);
+  grpc_slice_buffer_init(&m->read_buffer);
   m->on_read = NULL;
   char *name;
   gpr_asprintf(&name, "passthru_endpoint_%s_%" PRIxPTR, half_name,
diff --git a/test/core/util/slice_splitter.c b/test/core/util/slice_splitter.c
index 95b55a6505..6647b8fbb3 100644
--- a/test/core/util/slice_splitter.c
+++ b/test/core/util/slice_splitter.c
@@ -50,8 +50,8 @@ const char *grpc_slice_split_mode_name(grpc_slice_split_mode mode) {
   return "error";
 }
 
-void grpc_split_slices(grpc_slice_split_mode mode, gpr_slice *src_slices,
-                       size_t src_slice_count, gpr_slice **dst_slices,
+void grpc_split_slices(grpc_slice_split_mode mode, grpc_slice *src_slices,
+                       size_t src_slice_count, grpc_slice **dst_slices,
                        size_t *dst_slice_count) {
   size_t i, j;
   size_t length;
@@ -59,10 +59,10 @@ void grpc_split_slices(grpc_slice_split_mode mode, gpr_slice *src_slices,
   switch (mode) {
     case GRPC_SLICE_SPLIT_IDENTITY:
       *dst_slice_count = src_slice_count;
-      *dst_slices = gpr_malloc(sizeof(gpr_slice) * src_slice_count);
+      *dst_slices = gpr_malloc(sizeof(grpc_slice) * src_slice_count);
       for (i = 0; i < src_slice_count; i++) {
         (*dst_slices)[i] = src_slices[i];
-        gpr_slice_ref((*dst_slices)[i]);
+        grpc_slice_ref((*dst_slices)[i]);
       }
       break;
     case GRPC_SLICE_SPLIT_MERGE_ALL:
@@ -71,8 +71,8 @@ void grpc_split_slices(grpc_slice_split_mode mode, gpr_slice *src_slices,
       for (i = 0; i < src_slice_count; i++) {
         length += GPR_SLICE_LENGTH(src_slices[i]);
       }
-      *dst_slices = gpr_malloc(sizeof(gpr_slice));
-      **dst_slices = gpr_slice_malloc(length);
+      *dst_slices = gpr_malloc(sizeof(grpc_slice));
+      **dst_slices = grpc_slice_malloc(length);
       length = 0;
       for (i = 0; i < src_slice_count; i++) {
         memcpy(GPR_SLICE_START_PTR(**dst_slices) + length,
@@ -87,11 +87,11 @@ void grpc_split_slices(grpc_slice_split_mode mode, gpr_slice *src_slices,
         length += GPR_SLICE_LENGTH(src_slices[i]);
       }
       *dst_slice_count = length;
-      *dst_slices = gpr_malloc(sizeof(gpr_slice) * length);
+      *dst_slices = gpr_malloc(sizeof(grpc_slice) * length);
       length = 0;
       for (i = 0; i < src_slice_count; i++) {
         for (j = 0; j < GPR_SLICE_LENGTH(src_slices[i]); j++) {
-          (*dst_slices)[length] = gpr_slice_sub(src_slices[i], j, j + 1);
+          (*dst_slices)[length] = grpc_slice_sub(src_slices[i], j, j + 1);
           length++;
         }
       }
@@ -100,25 +100,25 @@ void grpc_split_slices(grpc_slice_split_mode mode, gpr_slice *src_slices,
 }
 
 void grpc_split_slices_to_buffer(grpc_slice_split_mode mode,
-                                 gpr_slice *src_slices, size_t src_slice_count,
-                                 gpr_slice_buffer *dst) {
-  gpr_slice *slices;
+                                 grpc_slice *src_slices, size_t src_slice_count,
+                                 grpc_slice_buffer *dst) {
+  grpc_slice *slices;
   size_t nslices;
   size_t i;
   grpc_split_slices(mode, src_slices, src_slice_count, &slices, &nslices);
   for (i = 0; i < nslices; i++) {
     /* add indexed to avoid re-merging split slices */
-    gpr_slice_buffer_add_indexed(dst, slices[i]);
+    grpc_slice_buffer_add_indexed(dst, slices[i]);
   }
   gpr_free(slices);
 }
 
-void grpc_split_slice_buffer(grpc_slice_split_mode mode, gpr_slice_buffer *src,
-                             gpr_slice_buffer *dst) {
+void grpc_split_slice_buffer(grpc_slice_split_mode mode, grpc_slice_buffer *src,
+                             grpc_slice_buffer *dst) {
   grpc_split_slices_to_buffer(mode, src->slices, src->count, dst);
 }
 
-gpr_slice grpc_slice_merge(gpr_slice *slices, size_t nslices) {
+grpc_slice grpc_slice_merge(grpc_slice *slices, size_t nslices) {
   uint8_t *out = NULL;
   size_t length = 0;
   size_t capacity = 0;
@@ -134,5 +134,5 @@ gpr_slice grpc_slice_merge(gpr_slice *slices, size_t nslices) {
     length += GPR_SLICE_LENGTH(slices[i]);
   }
 
-  return gpr_slice_new(out, length, gpr_free);
+  return grpc_slice_new(out, length, gpr_free);
 }
diff --git a/test/core/util/slice_splitter.h b/test/core/util/slice_splitter.h
index d030c2cb55..9e62dfa0f3 100644
--- a/test/core/util/slice_splitter.h
+++ b/test/core/util/slice_splitter.h
@@ -51,17 +51,17 @@ typedef enum {
 
 /* allocates *dst_slices; caller must unref all slices in dst_slices then free
    it */
-void grpc_split_slices(grpc_slice_split_mode mode, gpr_slice *src_slices,
-                       size_t src_slice_count, gpr_slice **dst_slices,
+void grpc_split_slices(grpc_slice_split_mode mode, grpc_slice *src_slices,
+                       size_t src_slice_count, grpc_slice **dst_slices,
                        size_t *dst_slice_count);
 
 void grpc_split_slices_to_buffer(grpc_slice_split_mode mode,
-                                 gpr_slice *src_slices, size_t src_slice_count,
-                                 gpr_slice_buffer *dst);
-void grpc_split_slice_buffer(grpc_slice_split_mode mode, gpr_slice_buffer *src,
-                             gpr_slice_buffer *dst);
+                                 grpc_slice *src_slices, size_t src_slice_count,
+                                 grpc_slice_buffer *dst);
+void grpc_split_slice_buffer(grpc_slice_split_mode mode, grpc_slice_buffer *src,
+                             grpc_slice_buffer *dst);
 
-gpr_slice grpc_slice_merge(gpr_slice *slices, size_t nslices);
+grpc_slice grpc_slice_merge(grpc_slice *slices, size_t nslices);
 
 const char *grpc_slice_split_mode_name(grpc_slice_split_mode mode);
 
diff --git a/test/cpp/grpclb/grpclb_api_test.cc b/test/cpp/grpclb/grpclb_api_test.cc
index e67189c69e..fed5a2cce1 100644
--- a/test/cpp/grpclb/grpclb_api_test.cc
+++ b/test/cpp/grpclb/grpclb_api_test.cc
@@ -71,12 +71,12 @@ TEST_F(GrpclbTest, CreateRequest) {
   const grpc::string service_name = "AServiceName";
   LoadBalanceRequest request;
   grpc_grpclb_request* c_req = grpc_grpclb_request_create(service_name.c_str());
-  gpr_slice slice = grpc_grpclb_request_encode(c_req);
+  grpc_slice slice = grpc_grpclb_request_encode(c_req);
   const int num_bytes_written = GPR_SLICE_LENGTH(slice);
   EXPECT_GT(num_bytes_written, 0);
   request.ParseFromArray(GPR_SLICE_START_PTR(slice), num_bytes_written);
   EXPECT_EQ(request.initial_request().name(), service_name);
-  gpr_slice_unref(slice);
+  grpc_slice_unref(slice);
   grpc_grpclb_request_destroy(c_req);
 }
 
@@ -88,15 +88,15 @@ TEST_F(GrpclbTest, ParseInitialResponse) {
   client_stats_report_interval->set_seconds(123);
   client_stats_report_interval->set_nanos(456);
   const grpc::string encoded_response = response.SerializeAsString();
-  gpr_slice encoded_slice =
-      gpr_slice_from_copied_string(encoded_response.c_str());
+  grpc_slice encoded_slice =
+      grpc_slice_from_copied_string(encoded_response.c_str());
 
   grpc_grpclb_initial_response* c_initial_response =
       grpc_grpclb_initial_response_parse(encoded_slice);
   EXPECT_FALSE(c_initial_response->has_load_balancer_delegate);
   EXPECT_EQ(c_initial_response->client_stats_report_interval.seconds, 123);
   EXPECT_EQ(c_initial_response->client_stats_report_interval.nanos, 456);
-  gpr_slice_unref(encoded_slice);
+  grpc_slice_unref(encoded_slice);
   grpc_grpclb_initial_response_destroy(c_initial_response);
 }
 
@@ -116,7 +116,7 @@ TEST_F(GrpclbTest, ParseResponseServerList) {
   expiration_interval->set_nanos(999);
 
   const grpc::string encoded_response = response.SerializeAsString();
-  const gpr_slice encoded_slice = gpr_slice_from_copied_buffer(
+  const grpc_slice encoded_slice = grpc_slice_from_copied_buffer(
       encoded_response.data(), encoded_response.size());
   grpc_grpclb_serverlist* c_serverlist =
       grpc_grpclb_response_parse_serverlist(encoded_slice);
@@ -137,7 +137,7 @@ TEST_F(GrpclbTest, ParseResponseServerList) {
   EXPECT_TRUE(c_serverlist->expiration_interval.has_nanos);
   EXPECT_EQ(c_serverlist->expiration_interval.nanos, 999);
 
-  gpr_slice_unref(encoded_slice);
+  grpc_slice_unref(encoded_slice);
   grpc_grpclb_destroy_serverlist(c_serverlist);
 }
 
diff --git a/test/cpp/grpclb/grpclb_test.cc b/test/cpp/grpclb/grpclb_test.cc
index b6056f9ae4..a65e425625 100644
--- a/test/cpp/grpclb/grpclb_test.cc
+++ b/test/cpp/grpclb/grpclb_test.cc
@@ -109,7 +109,7 @@ typedef struct test_fixture {
 
 static void *tag(intptr_t t) { return (void *)t; }
 
-static gpr_slice build_response_payload_slice(
+static grpc_slice build_response_payload_slice(
     const char *host, int *ports, size_t nports,
     int64_t expiration_interval_secs, int32_t expiration_interval_nanos) {
   // server_list {
@@ -148,7 +148,7 @@ static gpr_slice build_response_payload_slice(
     server->set_load_balance_token(token_data);
   }
   const grpc::string &enc_resp = response.SerializeAsString();
-  return gpr_slice_from_copied_buffer(enc_resp.data(), enc_resp.size());
+  return grpc_slice_from_copied_buffer(enc_resp.data(), enc_resp.size());
 }
 
 static void drain_cq(grpc_completion_queue *cq) {
@@ -210,17 +210,17 @@ static void start_lb_server(server_fixture *sf, int *ports, size_t nports,
   // validate initial request.
   grpc_byte_buffer_reader bbr;
   grpc_byte_buffer_reader_init(&bbr, request_payload_recv);
-  gpr_slice request_payload_slice = grpc_byte_buffer_reader_readall(&bbr);
+  grpc_slice request_payload_slice = grpc_byte_buffer_reader_readall(&bbr);
   grpc::lb::v1::LoadBalanceRequest request;
   request.ParseFromArray(GPR_SLICE_START_PTR(request_payload_slice),
                          GPR_SLICE_LENGTH(request_payload_slice));
   GPR_ASSERT(request.has_initial_request());
   GPR_ASSERT(request.initial_request().name() == sf->servers_hostport);
-  gpr_slice_unref(request_payload_slice);
+  grpc_slice_unref(request_payload_slice);
   grpc_byte_buffer_reader_destroy(&bbr);
   grpc_byte_buffer_destroy(request_payload_recv);
 
-  gpr_slice response_payload_slice;
+  grpc_slice response_payload_slice;
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
@@ -264,7 +264,7 @@ static void start_lb_server(server_fixture *sf, int *ports, size_t nports,
             sf->servers_hostport, i);
 
     grpc_byte_buffer_destroy(response_payload);
-    gpr_slice_unref(response_payload_slice);
+    grpc_slice_unref(response_payload_slice);
   }
   gpr_log(GPR_INFO, "LB Server[%s] shutting down", sf->servers_hostport);
 
@@ -355,7 +355,7 @@ static void start_backend_server(server_fixture *sf) {
     gpr_log(GPR_INFO, "Server[%s] after tag 101", sf->servers_hostport);
 
     bool exit = false;
-    gpr_slice response_payload_slice = gpr_slice_from_copied_string(PAYLOAD);
+    grpc_slice response_payload_slice = grpc_slice_from_copied_string(PAYLOAD);
     while (!exit) {
       op = ops;
       op->op = GRPC_OP_RECV_MESSAGE;
@@ -414,7 +414,7 @@ static void start_backend_server(server_fixture *sf) {
     ++sf->num_calls_serviced;
 
     gpr_log(GPR_INFO, "Server[%s] OUT OF THE LOOP", sf->servers_hostport);
-    gpr_slice_unref(response_payload_slice);
+    grpc_slice_unref(response_payload_slice);
 
     op = ops;
     op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
@@ -456,7 +456,7 @@ static void perform_request(client_fixture *cf) {
   int i;
 
   memset(ops, 0, sizeof(ops));
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_slice request_payload_slice = grpc_slice_from_copied_string("hello world");
 
   c = grpc_channel_create_call(cf->client, NULL, GRPC_PROPAGATE_DEFAULTS,
                                cf->cq, "/foo", "foo.test.google.fr:1234",
@@ -515,7 +515,7 @@ static void perform_request(client_fixture *cf) {
     grpc_byte_buffer_destroy(response_payload_recv);
   }
 
-  gpr_slice_unref(request_payload_slice);
+  grpc_slice_unref(request_payload_slice);
 
   op = ops;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
diff --git a/test/cpp/qps/client.h b/test/cpp/qps/client.h
index 9983c8a7b0..d63346a582 100644
--- a/test/cpp/qps/client.h
+++ b/test/cpp/qps/client.h
@@ -103,7 +103,7 @@ class ClientRequestCreator<ByteBuffer> {
     if (payload_config.has_bytebuf_params()) {
       std::unique_ptr<char[]> buf(
           new char[payload_config.bytebuf_params().req_size()]);
-      gpr_slice s = gpr_slice_from_copied_buffer(
+      grpc_slice s = grpc_slice_from_copied_buffer(
           buf.get(), payload_config.bytebuf_params().req_size());
       Slice slice(s, Slice::STEAL_REF);
       *req = ByteBuffer(&slice, 1);
diff --git a/test/cpp/qps/server_async.cc b/test/cpp/qps/server_async.cc
index bc4c896d83..4fcdb4f083 100644
--- a/test/cpp/qps/server_async.cc
+++ b/test/cpp/qps/server_async.cc
@@ -380,7 +380,7 @@ static Status ProcessGenericRPC(const PayloadConfig &payload_config,
                                 ByteBuffer *response) {
   int resp_size = payload_config.bytebuf_params().resp_size();
   std::unique_ptr<char[]> buf(new char[resp_size]);
-  gpr_slice s = gpr_slice_from_copied_buffer(buf.get(), resp_size);
+  grpc_slice s = grpc_slice_from_copied_buffer(buf.get(), resp_size);
   Slice slice(s, Slice::STEAL_REF);
   *response = ByteBuffer(&slice, 1);
   return Status::OK;
diff --git a/test/cpp/util/byte_buffer_proto_helper.cc b/test/cpp/util/byte_buffer_proto_helper.cc
index d625d6f3f4..ab5ca261e6 100644
--- a/test/cpp/util/byte_buffer_proto_helper.cc
+++ b/test/cpp/util/byte_buffer_proto_helper.cc
@@ -51,7 +51,7 @@ std::unique_ptr<ByteBuffer> SerializeToByteBuffer(
     grpc::protobuf::Message* message) {
   grpc::string buf;
   message->SerializeToString(&buf);
-  gpr_slice s = gpr_slice_from_copied_string(buf.c_str());
+  grpc_slice s = grpc_slice_from_copied_string(buf.c_str());
   Slice slice(s, Slice::STEAL_REF);
   return std::unique_ptr<ByteBuffer>(new ByteBuffer(&slice, 1));
 }
diff --git a/test/cpp/util/byte_buffer_test.cc b/test/cpp/util/byte_buffer_test.cc
index 2089a62011..f66f471d7e 100644
--- a/test/cpp/util/byte_buffer_test.cc
+++ b/test/cpp/util/byte_buffer_test.cc
@@ -49,14 +49,14 @@ const char* kContent2 = "yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy world";
 class ByteBufferTest : public ::testing::Test {};
 
 TEST_F(ByteBufferTest, CreateFromSingleSlice) {
-  gpr_slice hello = gpr_slice_from_copied_string(kContent1);
+  grpc_slice hello = grpc_slice_from_copied_string(kContent1);
   Slice s(hello, Slice::STEAL_REF);
   ByteBuffer buffer(&s, 1);
 }
 
 TEST_F(ByteBufferTest, CreateFromVector) {
-  gpr_slice hello = gpr_slice_from_copied_string(kContent1);
-  gpr_slice world = gpr_slice_from_copied_string(kContent2);
+  grpc_slice hello = grpc_slice_from_copied_string(kContent1);
+  grpc_slice world = grpc_slice_from_copied_string(kContent2);
   std::vector<Slice> slices;
   slices.push_back(Slice(hello, Slice::STEAL_REF));
   slices.push_back(Slice(world, Slice::STEAL_REF));
@@ -64,15 +64,15 @@ TEST_F(ByteBufferTest, CreateFromVector) {
 }
 
 TEST_F(ByteBufferTest, Clear) {
-  gpr_slice hello = gpr_slice_from_copied_string(kContent1);
+  grpc_slice hello = grpc_slice_from_copied_string(kContent1);
   Slice s(hello, Slice::STEAL_REF);
   ByteBuffer buffer(&s, 1);
   buffer.Clear();
 }
 
 TEST_F(ByteBufferTest, Length) {
-  gpr_slice hello = gpr_slice_from_copied_string(kContent1);
-  gpr_slice world = gpr_slice_from_copied_string(kContent2);
+  grpc_slice hello = grpc_slice_from_copied_string(kContent1);
+  grpc_slice world = grpc_slice_from_copied_string(kContent2);
   std::vector<Slice> slices;
   slices.push_back(Slice(hello, Slice::STEAL_REF));
   slices.push_back(Slice(world, Slice::STEAL_REF));
@@ -80,7 +80,7 @@ TEST_F(ByteBufferTest, Length) {
   EXPECT_EQ(strlen(kContent1) + strlen(kContent2), buffer.Length());
 }
 
-bool SliceEqual(const Slice& a, gpr_slice b) {
+bool SliceEqual(const Slice& a, grpc_slice b) {
   if (a.size() != GPR_SLICE_LENGTH(b)) {
     return false;
   }
@@ -93,8 +93,8 @@ bool SliceEqual(const Slice& a, gpr_slice b) {
 }
 
 TEST_F(ByteBufferTest, Dump) {
-  gpr_slice hello = gpr_slice_from_copied_string(kContent1);
-  gpr_slice world = gpr_slice_from_copied_string(kContent2);
+  grpc_slice hello = grpc_slice_from_copied_string(kContent1);
+  grpc_slice world = grpc_slice_from_copied_string(kContent2);
   std::vector<Slice> slices;
   slices.push_back(Slice(hello, Slice::STEAL_REF));
   slices.push_back(Slice(world, Slice::STEAL_REF));
@@ -106,8 +106,8 @@ TEST_F(ByteBufferTest, Dump) {
 }
 
 TEST_F(ByteBufferTest, SerializationMakesCopy) {
-  gpr_slice hello = gpr_slice_from_copied_string(kContent1);
-  gpr_slice world = gpr_slice_from_copied_string(kContent2);
+  grpc_slice hello = grpc_slice_from_copied_string(kContent1);
+  grpc_slice world = grpc_slice_from_copied_string(kContent2);
   std::vector<Slice> slices;
   slices.push_back(Slice(hello, Slice::STEAL_REF));
   slices.push_back(Slice(world, Slice::STEAL_REF));
diff --git a/test/cpp/util/cli_call.cc b/test/cpp/util/cli_call.cc
index 1edffbe08e..e36475bc9e 100644
--- a/test/cpp/util/cli_call.cc
+++ b/test/cpp/util/cli_call.cc
@@ -72,7 +72,7 @@ Status CliCall::Call(std::shared_ptr<grpc::Channel> channel,
   cq.Next(&got_tag, &ok);
   GPR_ASSERT(ok);
 
-  gpr_slice s = gpr_slice_from_copied_string(request.c_str());
+  grpc_slice s = grpc_slice_from_copied_string(request.c_str());
   grpc::Slice req_slice(s, grpc::Slice::STEAL_REF);
   grpc::ByteBuffer send_buffer(&req_slice, 1);
   call->Write(send_buffer, tag(2));
diff --git a/test/cpp/util/slice_test.cc b/test/cpp/util/slice_test.cc
index 45799ae157..3e50700303 100644
--- a/test/cpp/util/slice_test.cc
+++ b/test/cpp/util/slice_test.cc
@@ -51,15 +51,15 @@ class SliceTest : public ::testing::Test {
 };
 
 TEST_F(SliceTest, Steal) {
-  gpr_slice s = gpr_slice_from_copied_string(kContent);
+  grpc_slice s = grpc_slice_from_copied_string(kContent);
   Slice spp(s, Slice::STEAL_REF);
   CheckSlice(spp, kContent);
 }
 
 TEST_F(SliceTest, Add) {
-  gpr_slice s = gpr_slice_from_copied_string(kContent);
+  grpc_slice s = grpc_slice_from_copied_string(kContent);
   Slice spp(s, Slice::ADD_REF);
-  gpr_slice_unref(s);
+  grpc_slice_unref(s);
   CheckSlice(spp, kContent);
 }
 
@@ -69,13 +69,13 @@ TEST_F(SliceTest, Empty) {
 }
 
 TEST_F(SliceTest, Cslice) {
-  gpr_slice s = gpr_slice_from_copied_string(kContent);
+  grpc_slice s = grpc_slice_from_copied_string(kContent);
   Slice spp(s, Slice::STEAL_REF);
   CheckSlice(spp, kContent);
-  gpr_slice c_slice = spp.c_slice();
+  grpc_slice c_slice = spp.c_slice();
   EXPECT_EQ(GPR_SLICE_START_PTR(s), GPR_SLICE_START_PTR(c_slice));
   EXPECT_EQ(GPR_SLICE_END_PTR(s), GPR_SLICE_END_PTR(c_slice));
-  gpr_slice_unref(c_slice);
+  grpc_slice_unref(c_slice);
 }
 
 }  // namespace